33 datasets found
  1. f

    Example of normalized scores calculation.

    • datasetcatalog.nlm.nih.gov
    Updated Apr 16, 2025
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    Restrepo-Tamayo, Luz Marcela; Gasca-Hurtado, Gloria Piedad; Machuca-Villegas, Liliana; Morillo-Puente, Solbey (2025). Example of normalized scores calculation. [Dataset]. https://datasetcatalog.nlm.nih.gov/dataset?q=0002099613
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    Dataset updated
    Apr 16, 2025
    Authors
    Restrepo-Tamayo, Luz Marcela; Gasca-Hurtado, Gloria Piedad; Machuca-Villegas, Liliana; Morillo-Puente, Solbey
    Description

    Gamification is a strategy to stimulate social and human factors (SHF) that influence software development productivity. However, software development teams must improve their productivity to face the challenges of software development organizations. Traditionally, productivity analysis only includes technical factors. Literature shows the importance of SHFs in productivity. Furthermore, gamification elements can contribute to enhancing such factors to improve performance. Thus, to design strategies to enhance a specific SHF, it is essential to identify how gamification elements are related to these factors. The objective of this research is to determine the relationship between gamification elements and SHF that influence the productivity of software development teams. This research included the design of a scoring template to collect data from the experts. The importance was calculated using the Simple Additive Weighting (SAW) method as a tool framed in decision theory. Three criteria were considered: cumulative score, matches in inclusion, and values. The relationships of importance serve as a reference value in designing gamification strategies that promote improved productivity. It extends the path toward analyzing the effect of gamification on the productivity of software development. This relationship facilitates designing and implementing gamification strategies to improve productivity.

  2. Q10 (17–27°C) for normalized data.

    • plos.figshare.com
    xls
    Updated Jun 3, 2023
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    Olivier Faivre; Mikko Juusola (2023). Q10 (17–27°C) for normalized data. [Dataset]. http://doi.org/10.1371/journal.pone.0002173.t001
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    xlsAvailable download formats
    Dataset updated
    Jun 3, 2023
    Dataset provided by
    PLOShttp://plos.org/
    Authors
    Olivier Faivre; Mikko Juusola
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Description

    Shown are mean±SD. Values were extrapolated from a smaller temperature range, using linear or exponential fits (details in Materials and Methods and Table S1). 1: As defined by the onset time of the impulse response, K1. 2: Characteristic time-constant defined as: τ = (f3dB)−1. 3: Information transfer rate (Shannon's formula). 4: Information transfer rate (triple extrapolation method).

  3. s

    Normalized Difference Water Index (NDWI) - Annual Mean - Switzerland

    • geonetwork.swissdatacube.org
    doi +1
    Updated Sep 17, 2019
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    Université de Genève (2019). Normalized Difference Water Index (NDWI) - Annual Mean - Switzerland [Dataset]. https://geonetwork.swissdatacube.org/geonetwork/srv/api/records/1008ba03-a57d-42d0-b7d7-3a861d91c4be
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    doi, ogc:wms-1.3.0-http-get-capabilitiesAvailable download formats
    Dataset updated
    Sep 17, 2019
    Dataset authored and provided by
    Université de Genève
    Time period covered
    Mar 28, 1984 - Jun 15, 2019
    Area covered
    Description

    This dataset is an annual time-serie of Landsat Analysis Ready Data (ARD)-derived Normalized Difference Water Index (NDWI) computed from Landsat 5 Thematic Mapper (TM) and Landsat 8 Opeational Land Imager (OLI). To ensure a consistent dataset, Landsat 7 has not been used because the Scan Line Correct (SLC) failure creates gaps into the data. NDWI quantifies plant water content by measuring the difference between Near-Infrared (NIR) and Short Wave Infrared (SWIR) (or Green) channels using this generic formula: (NIR - SWIR) / (NIR + SWIR) For Landsat sensors, this corresponds to the following bands: Landsat 5, NDVI = (Band 4 – Band 2) / (Band 4 + Band 2). Landsat 8, NDVI = (Band 5 – Band 3) / (Band 5 + Band 3). NDWI values ranges from -1 to +1. NDWI is a good proxy for plant water stress and therefore useful for drought monitoring and early warning. NDWI is sometimes alos refered as Normalized Difference Moisture Index (NDMI) Standard Deviation is also provided for each time step. Data format: GeoTiff This dataset has been genereated with the Swiss Data Cube (http://www.swissdatacube.ch)

  4. p

    Aarhus University,Danish Centre for Environment and Energy

    • pigma.org
    • catalogue.arctic-sdi.org
    doi, ogc:wms +2
    Updated Feb 21, 2025
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    EMODnet Chemistry (2025). Aarhus University,Danish Centre for Environment and Energy [Dataset]. https://www.pigma.org/geonetwork/srv/api/records/9920fa88-bd81-4285-ad2b-0e435c8ce0d6
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    www:link, ogc:wms, doi, www:downloadAvailable download formats
    Dataset updated
    Feb 21, 2025
    Dataset provided by
    IFREMER, SISMER, Scientific Information Systems for the SEA
    National Institute of Oceanography and Applied Geophysics - OGS, Division of Oceanography
    EMODnet Chemistry
    Ifremer, VIGIES (Information Valuation Service for Integrated Management and Monitoring)
    Time period covered
    Jan 1, 2001 - May 11, 2024
    Area covered
    Description

    This visualization product displays marine macro-litter (> 2.5cm) material categories percentages per beach per year from non-MSFD monitoring surveys, research & cleaning operations.

    EMODnet Chemistry included the collection of marine litter in its 3rd phase. Since the beginning of 2018, data of beach litter have been gathered and processed in the EMODnet Chemistry Marine Litter Database (MLDB). The harmonization of all the data has been the most challenging task considering the heterogeneity of the data sources, sampling protocols and reference lists used on a European scale.

    Preliminary processings were necessary to harmonize all the data: - Exclusion of OSPAR 1000 protocol: in order to follow the approach of OSPAR that it is not including these data anymore in the monitoring; - Selection of surveys from non-MSFD monitoring, cleaning and research operations; - Exclusion of beaches without coordinates; - Exclusion of surveys without associated length; - Some litter types like organic litter, small fragments (paraffin and wax; items > 2.5cm) and pollutants have been removed. The list of selected items is attached to this metadata. This list was created using EU Marine Beach Litter Baselines, the European Threshold Value for Macro Litter on Coastlines and the Joint list of litter categories for marine macro-litter monitoring from JRC (these three documents are attached to this metadata); - Exclusion of the "feaces" category: it concerns more exactly the items of dog excrements in bags of the OSPAR (item code: 121) and ITA (item code: IT59) reference lists; - Normalization of survey lengths to 100m & 1 survey / year: in some case, the survey length was not 100m, so in order to be able to compare the abundance of litter from different beaches a normalization is applied using this formula: Number of items (normalized by 100 m) = Number of litter per items x (100 / survey length) Then, this normalized number of items is summed to obtain the total normalized number of litter for each survey.

    To calculate the percentage for each material category, formula applied is: Material (%) = (∑number of items (normalized at 100 m) of each material category)*100 / (∑number of items (normalized at 100 m) of all categories)

    The material categories differ between reference lists (OSPAR, TSG-ML, UNEP, UNEP-MARLIN, JLIST). In order to apply a common procedure for all the surveys, the material categories have been harmonized.

    More information is available in the attached documents.

    Warning: the absence of data on the map does not necessarily mean that they do not exist, but that no information has been entered in the Marine Litter Database for this area.

  5. f

    SILAC Peptide Ratio Calculator: A Tool for SILAC Quantitation of Peptides...

    • acs.figshare.com
    • datasetcatalog.nlm.nih.gov
    zip
    Updated Jun 5, 2023
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    Xiaoyan Guan; Neha Rastogi; Mark R. Parthun; Michael A. Freitas (2023). SILAC Peptide Ratio Calculator: A Tool for SILAC Quantitation of Peptides and Post-Translational Modifications [Dataset]. http://doi.org/10.1021/pr400675n.s004
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    zipAvailable download formats
    Dataset updated
    Jun 5, 2023
    Dataset provided by
    ACS Publications
    Authors
    Xiaoyan Guan; Neha Rastogi; Mark R. Parthun; Michael A. Freitas
    License

    Attribution-NonCommercial 4.0 (CC BY-NC 4.0)https://creativecommons.org/licenses/by-nc/4.0/
    License information was derived automatically

    Description

    This paper describes an algorithm to assist in relative quantitation of peptide post-translational modifications using stable isotope labeling by amino acids in cell culture (SILAC). The described algorithm first determines the normalization factor and then calculates SILAC ratios for a list of target peptide masses using precursor ion abundances. Four yeast histone mutants were used to demonstrate the effectiveness of this approach for quantitation of peptide post-translational modifications changes. The details of the algorithm’s approach for normalization and peptide ratio calculation are described. The examples demonstrate the robustness of the approach as well as its utility to rapidly determine changes in peptide post-translational modifications within a protein.

  6. p

    Beach litter - Composition of litter according to material categories in...

    • pigma.org
    • catalogue.arctic-sdi.org
    doi, ogc:wms +2
    Updated Feb 21, 2025
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    EMODnet Chemistry (2025). Beach litter - Composition of litter according to material categories in percent normalized per beach per year - EU-MSFD monitoring 2001/2023 v2025 [Dataset]. https://www.pigma.org/geonetwork/BORDEAUX_METROPOLE_DIR_INFO_GEO/api/records/5569270d-1ffc-4e14-8fa8-6760b048fc81
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    www:link, ogc:wms, www:download, doiAvailable download formats
    Dataset updated
    Feb 21, 2025
    Dataset provided by
    IFREMER, SISMER, Scientific Information Systems for the SEA
    National Institute of Oceanography and Applied Geophysics - OGS, Division of Oceanography
    EMODnet Chemistry
    Ifremer, VIGIES (Information Valuation Service for Integrated Management and Monitoring)
    Time period covered
    Jan 1, 2001 - Dec 24, 2023
    Area covered
    Description

    This visualization product displays marine macro-litter (> 2.5cm) material categories percentages per beach per year from the Marine Strategy Framework Directive (MSFD) monitoring surveys.

    EMODnet Chemistry included the collection of marine litter in its 3rd phase. Since the beginning of 2018, data of beach litter have been gathered and processed in the EMODnet Chemistry Marine Litter Database (MLDB). The harmonization of all the data has been the most challenging task considering the heterogeneity of the data sources, sampling protocols and reference lists used on a European scale.

    Preliminary processings were necessary to harmonize all the data: - Exclusion of OSPAR 1000 protocol: in order to follow the approach of OSPAR that it is not including these data anymore in the monitoring; - Selection of MSFD surveys only (exclusion of other monitoring, cleaning and research operations); - Exclusion of beaches without coordinates; - Some litter types like organic litter, small fragments (paraffin and wax; items > 2.5cm) and pollutants have been removed. The list of selected items is attached to this metadata. This list was created using EU Marine Beach Litter Baselines, the European Threshold Value for Macro Litter on Coastlines and the Joint list of litter categories for marine macro-litter monitoring from JRC (these three documents are attached to this metadata); - Exclusion of the "feaces" category: it concerns more exactly the items of dog excrements in bags of the OSPAR (item code: 121) and ITA (item code: IT59) reference lists; - Normalization of survey lengths to 100m & 1 survey / year: in some case, the survey length was not exactly 100m, so in order to be able to compare the abundance of litter from different beaches a normalization is applied using this formula: Number of items (normalized by 100 m) = Number of litter per items x (100 / survey length) Then, this normalized number of items is summed to obtain the total normalized number of litter for each survey. Sometimes the survey length was null or equal to 0. Assuming that the MSFD protocol has been applied, the length has been set at 100m in these cases.

    To calculate the percentage for each material category, formula applied is: Material (%) = (∑number of items (normalized at 100 m) of each material category)*100 / (∑number of items (normalized at 100 m) of all categories)

    The material categories differ between reference lists (OSPAR, ITA, TSG-ML, UNEP, UNEP-MARLIN, JLIST). In order to apply a common procedure for all the surveys, the material categories have been harmonized.

    More information is available in the attached documents.

    Warning: the absence of data on the map does not necessarily mean that they do not exist, but that no information has been entered in the Marine Litter Database for this area.

  7. t

    (Table 1) Normalized peak intensities from solid phase extracted dissolved...

    • service.tib.eu
    Updated Nov 30, 2024
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    (2024). (Table 1) Normalized peak intensities from solid phase extracted dissolved organic matter from porewater and overlying bottom water collected during Maria S. Merian cruise MSM29 and Polarstern cruise PS85 to the Fram Strait - Vdataset - LDM [Dataset]. https://service.tib.eu/ldmservice/dataset/png-doi-10-1594-pangaea-909107
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    Dataset updated
    Nov 30, 2024
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Fram Strait
    Description

    Dissolved organic matter molecular analyses were performed on a Solarix FT-ICR-MS equipped with a 15 Tesla superconducting magnet (Bruker Daltonic) using a an electrospray ionization source (Bruker Apollo II) in negative ion mode. Molecular formula calculation for all samples was performed using an Matlab (2010) routine that searches, with an error of < 0.5 ppm, for all potential combinations of elements including including the elements C∞, O∞, H∞, N = 4; S = 2 and P = 1. Combination of elements NSP, N2S, N3S, N4S, N2P, N3P, N4P, NS2, N2S2, N3S2, N4S2, S2P was not allowed. Mass peak intensities are normalized relative to the total molecular formulas in each sample according to previously published rules (Rossel et al., 2015; doi:10.1016/j.marchem.2015.07.002). The final data contained 7400 molecular formulae.

  8. Aarhus University,Danish Centre for Environment and Energy

    • catalogue.arctic-sdi.org
    • pigma.org
    doi, ogc:wms +2
    Updated Feb 21, 2025
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    National Institute for Marine Research and Development "Grigore Antipa" (2025). Aarhus University,Danish Centre for Environment and Energy [Dataset]. https://catalogue.arctic-sdi.org/geonetwork/srv/api/records/ad373548-8425-47d2-b1bd-e9bee1797df3
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    www:link, www:download, ogc:wms, doiAvailable download formats
    Dataset updated
    Feb 21, 2025
    Dataset provided by
    International Council for the Exploration of the Sea
    Institute of Oceanologyhttp://www.io-bas.bg/
    United Nations Environment Programmehttp://www.unep.org/
    Hellenic Centre for Marine Researchhttps://www.hcmr.gr/en/
    Isotech Ltd Environmental Research and Consultancy
    Turkish Marine Research Foundation
    Archipelagos Institute of Marine Conservation
    Iv.Javakhishvili Tbilisi State University, Centre of Relations with UNESCO Oceanological Research Centre and GeoDNA (UNESCO)
    Norwegian Environment Agency
    Hold Danmark Rent
    National Institute of Marine Geology and Geoecology
    The Environment Agency of Iceland
    Black Sea NGO Network
    University of Maribor
    Directorate for Coast and Sea Sustainability. Ministry for Ecological Transition
    Portuguese Association for Marine Litter, APLM
    Centre for Documentation, Research and Experimentation on Accidental Water Pollution
    Asociación Vertidos Cero
    Legambiente
    Surfers Against Sewage
    Institute of Marine Biology (IMBK)
    Mohamed I University
    Disciplinary Centre of Marine Research and Environmental
    ECAT-Environmental Center for Administration & Technology
    Venice Lagoon Plastic Free
    Flanders Marine Institute
    Aegean Greeners
    Plastic Change
    Ukrainian scientific center of Ecology of Sea
    State Oceanographic Institute
    Estonian Green Movement
    IFREMER, SISMER, Scientific Information Systems for the SEA
    National Institute of Oceanography and Applied Geophysics - OGS, Division of Oceanography
    Department of Fisheries and Marine Research, Division of Marine Biology and Ecology
    Mediterranean Information Office for Environment, Culture and Sustainable Development
    National Institute for Marine Research and Development "Grigore Antipa"
    The North Sea Foundation
    Ifremer, VIGIES (Information Valuation Service for Integrated Management and Monitoring)
    Non-governmental environmental organization "Mare Nostrum"
    Treanbeg Marine
    Portuguese Environment Agency
    Institute for Water of the Republic of Slovenia
    Time period covered
    Jan 1, 2001 - May 11, 2024
    Area covered
    Description

    This visualization product displays the cigarette related items abundance of marine macro-litter (> 2.5cm) per beach per year from non-MSFD monitoring surveys, research & cleaning operations without UNEP-MARLIN data.

    EMODnet Chemistry included the collection of marine litter in its 3rd phase. Since the beginning of 2018, data of beach litter have been gathered and processed in the EMODnet Chemistry Marine Litter Database (MLDB).

    The harmonization of all the data has been the most challenging task considering the heterogeneity of the data sources, sampling protocols and reference lists used on a European scale.

    Preliminary processings were necessary to harmonize all the data:

    • Exclusion of OSPAR 1000 protocol: in order to follow the approach of OSPAR that it is not including these data anymore in the monitoring;

    • Selection of surveys from non-MSFD monitoring, cleaning and research operations;

    • Exclusion of beaches without coordinates;

    • Selection of cigarette related items only. The list of selected items is attached to this metadata. This list was created using EU Marine Beach Litter Baselines, the European Threshold Value for Macro Litter on Coastlines and the Joint list of litter categories for marine macro-litter monitoring from JRC (these three documents are attached to this metadata);

    • Exclusion of surveys without associated length;

    • Exclusion of surveys referring to the UNEP-MARLIN list: the UNEP-MARLIN protocol differs from the other types of monitoring in that cigarette butts are surveyed in a 10m square. To avoid comparing abundances from very different protocols, the choice has been made to distinguish in two maps the cigarette related items results associated with the UNEP-MARLIN list from the others;

    • Normalization of survey lengths to 100m & 1 survey / year: in some case, the survey length was not 100m, so in order to be able to compare the abundance of litter from different beaches a normalization is applied using this formula:

    Number of cigarette related items of the survey (normalized by 100 m) = Number of cigarette related items of the survey x (100 / survey length)

    Then, this normalized number of cigarette related items is summed to obtain the total normalized number of cigarette related items for each survey. Finally, the median abundance of cigarette related items for each beach and year is calculated from these normalized abundances of cigarette related items per survey.

    Percentiles 50, 75, 95 & 99 have been calculated taking into account cigarette related items from other sources data (excluding UNEP-MARLIN protocol) for all years.

    More information is available in the attached documents.

    Warning: the absence of data on the map does not necessarily mean that they do not exist, but that no information has been entered in the Marine Litter Database for this area.

  9. c

    Data from: Calculation of Sputtering Yield with Obliquely Incident...

    • search.ckan.jp
    • nifs-repository.repo.nii.ac.jp
    Updated Jul 4, 2012
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    学術機関リポジトリ (2012). Calculation of Sputtering Yield with Obliquely Incident Light-Ions (H+, D+,, T+,, He+,) and its Representation by an Extended Semi-empirical Formula [Dataset]. https://search.ckan.jp/datasets/136.187.101.184:5000_dataset:oai-irdb-nii-ac-jp-01130-0005844826
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    Dataset updated
    Jul 4, 2012
    Authors
    学術機関リポジトリ
    Description

    With a Monte Carlo code ACAT, we have calculated sputtering yield of fifteen fusion-relevant mono-atomic materials (Be, B, C, Al, Si, Ti, Cr, Fe, Co, Ni, Cu, Zr, Mo, W, Re) with obliquely incident light-ions H+, D+, T+,, He+) at incident energies of 50 eV to 10 keV. An improved formula for dependence of normalized sputtering yield on incident-angle has been fitted to the ACAT data normalized by the normal-incidence data to derive the best-fit values of the three physical variables included in the formula vs. incident energy. We then have found suitable functions of incident energy that fit these values most closely. The average relative difference between the normalized ACAT data and the formula with these functions has been shown to be less than 10 % in most cases and less than 20 % for the rest at the incident energies taken up for all of the combinations of the projectiles and the target materials considered. We have also compared the calculated data and the formula with available normalized experimental ones for given incident energies. The best-fit values of the parameters included in the functions have been tabulated in tables for all of the combinations for use. / Keywords: Sputtering, Erosion, Plasma-material interactions, First wall materials, Fitting formula, Monte-Carlo method, binary collision approximation, computer simulation【リソース】Fulltext

  10. Table_1_The Impact of Spatial Normalization Strategies on the Temporal...

    • frontiersin.figshare.com
    docx
    Updated May 31, 2023
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    Zhao Qing; Xin Zhang; Meiping Ye; Sichu Wu; Xin Wang; Zuzana Nedelska; Jakub Hort; Bin Zhu; Bing Zhang (2023). Table_1_The Impact of Spatial Normalization Strategies on the Temporal Features of the Resting-State Functional MRI: Spatial Normalization Before rs-fMRI Features Calculation May Reduce the Reliability.DOCX [Dataset]. http://doi.org/10.3389/fnins.2019.01249.s001
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    docxAvailable download formats
    Dataset updated
    May 31, 2023
    Dataset provided by
    Frontiers Mediahttp://www.frontiersin.org/
    Authors
    Zhao Qing; Xin Zhang; Meiping Ye; Sichu Wu; Xin Wang; Zuzana Nedelska; Jakub Hort; Bin Zhu; Bing Zhang
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Description

    Previous resting-state functional magnetic resonance imaging (rs-fMRI) studies frequently applied the spatial normalization on fMRI time series before the calculation of temporal features (here referred to as “Prenorm”). We hypothesized that calculating the rs-fMRI features, for example, functional connectivity (FC), regional homogeneity (ReHo), or amplitude of low-frequency fluctuation (ALFF) in individual space, before the spatial normalization (referred to as “Postnorm”) can be an improvement to avoid artifacts and increase the results’ reliability. We utilized two datasets: (1) simulated images where temporal signal-to-noise ratio (tSNR) is kept a constant and (2) an empirical fMRI dataset with 50 healthy young subjects. For simulated images, the tSNR is constant as generated in individual space but increased after Prenorm and intersubject variability of tSNR was induced. In contrast, tSNR was kept constant after Postnorm. Consistently, for empirical images, higher tSNR, ReHo, and FC (default mode network, seed in precuneus) and lower ALFF were found after Prenorm compared to those of Postnorm. Coefficient of variability of tSNR and ALFF was higher after Prenorm compared to those of Postnorm. Moreover, the significant correlation was found between simulated tSNR after Prenorm and empirical tSNR, ALFF, and ReHo after Prenorm, indicating algorithmic variation in empirical rs-fMRI features. Furthermore, comparing to Prenorm, ALFF and ReHo showed higher intraclass correlation coefficients between two serial scans after Postnorm. Our results indicated that Prenorm may induce algorithmic intersubject variability on tSNR and reduce its reliability, which also significantly affected ALFF and ReHo. We suggest using Postnorm instead of Prenorm for future rs-fMRI studies using ALFF/ReHo.

  11. The 10 most abundance co-expressed miRNAs during peak and late lactation.

    • plos.figshare.com
    xls
    Updated May 30, 2023
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    Zhibin Ji; Guizhi Wang; Zhijing Xie; Jianmin Wang; Chunlan Zhang; Fei Dong; Cunxian Chen (2023). The 10 most abundance co-expressed miRNAs during peak and late lactation. [Dataset]. http://doi.org/10.1371/journal.pone.0049463.t002
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    xlsAvailable download formats
    Dataset updated
    May 30, 2023
    Dataset provided by
    PLOShttp://plos.org/
    Authors
    Zhibin Ji; Guizhi Wang; Zhijing Xie; Jianmin Wang; Chunlan Zhang; Fei Dong; Cunxian Chen
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Description

    Note: Nor_Reads: Normalized reads, the results of Solexa sequencing, Normalization formula: Normalized expression = Actual miRNA count/Total count of clean reads×1,000,000; F_change: Fold_changes (Log2 Late lactation/Peak lactation), fold changes of miRNAs in both samples, – represents down regulation in late lactation; P_Value: P values manifest the significance of miRNAs differential expression between two samples; Sig_level: Significance_level, # represents no significant difference, * represents significant difference;

  12. d

    miRNA alterations are an important mechanism in the adaptation of maize to a...

    • datamed.org
    Updated Aug 20, 2015
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    (2015). miRNA alterations are an important mechanism in the adaptation of maize to a low-phosphate environment [Dataset]. https://datamed.org/display-item.php?repository=0006&id=5913a0e15152c62a9fc19efb&query=RGS14
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    Dataset updated
    Aug 20, 2015
    Description

    Maize is a globally important food and feed crop, and a low-phosphate (Pi) supply in the soil frequently limits maize yield in many areas. MicroRNAs (miRNAs) play important roles in the development and adaptation of plants to the environment. In this study, the spatio-temporal miRNA transcript profiling of the maize inbred line Q319 root and leaf in response to low Pi was analyzed with high-throughput sequencing technologies, and the expression patterns of certain target genes were detected by real-time RT-PCR. Complex small RNA populations were detected after low-Pi culture and displayed different patterns in the root and leaf. miRNAs identified as responding to Pi deficiency can be grouped into ‘early’ miRNAs that respond rapidly, and often non-specifically, to Pi deficiency, and ‘late’ miRNAs that alter the morphology, physiology or metabolism of plants upon prolonged Pi deficiency. The miR827-Nitrogen limitation adaptation (NLA)-mediated post-transcriptional pathway was conserved in response to Pi availability of maize, but the miR399-mediated post-transcriptional pathway was different from Arabidopsis. Abiotic stress-related miRNAs engaged in interactions of different signaling and/or metabolic pathways. Auxin-related miRNAs (zma-miR393, zma-miR160a/b/c, zma-miR160d/e/g, zma-miR167a/b/c/d and zma-miR164a/b/c/d/g) and their targets play important roles in promoting primary root growth, inhibiting lateral root development and retarding upland growth of maize when subjected to low Pi. The changes in expression of miRNAs and their target genes suggest that the miRNA regulation/alterations compose an important mechanism in the adaptation of maize to a low-Pi environment; certain miRNAs participate in root architecture modification via the regulation of auxin signaling. A complex regulatory mechanism of miRNAs in response to a low-Pi environment exists in maize, revealing obvious differences from that in Arabidopsis. Maize (Zea mays L.) inbred line Q319 was used in this study. Seeds of the maize inbred line Q319 were surface sterilized and held at 28°C in darkness. Seedlings (4 days old) were transferred to a sufficient phosphate (SP, 1,000 μM KH2PO4) solution (Ca(NO3)2.4H2O 2 mM, NH4NO3 1.25 mM, KCl 0.1 mM, K2SO4 0.65 mM, MgSO4 0.65 mM, H3BO3 10.0 mM, (NH4)6Mo7O24 0.5 mM, MnSO4 1.0 mM, CuSO4.5H2O 0.1 mM, ZnSO4.7H2O 1.0 mM, Fe-EDTA 0.1 mM), allowed to grow for 4 days (plants with 2–3 leaves). After 2-3 days of re-culturing in SP nutrient solutions, half of the seedlings were transplanted into a low phosphate (LP, same composition as the SP solution, except that 5 μM KH2PO4 and 1 mM KH2PO4 were replaced with 1 mM KCl) nutrient solution. The plants were grown under a 32°C/25°C (day/night) temperature regime at a photon flux density (PFD) of 700 μmol m-2 s-1 with a 14 h/10 h light/dark cycle in a greenhouse with approximately 65% relative humidity. The roots and leaves were then harvested at 0, 1, 2, 4, 8 days and 8 days and cultured in SP solution (as a normal growth control) for small RNA analysis. The samples were frozen in liquid nitrogen immediately and stored at -80℃ for further analysis. Each biological repeat contains segments from 15~20 plants. Total RNA was extracted as previously described in Molecular Cloning (Sambrook and Russell David, 1989) and was then subjected to two additional chloroform washes prior to nucleic acid precipitation. The small RNA digitalization analysis based on HiSeq high-throughput sequencing takes the SBS-sequencing by synthesis. Then the 50nt sequence tags from HiSeq sequencing will go through the data cleaning first, which includes getting rid of the low quality tags and several kinds of contaminants from the 50nt tags. Length distribution of clean tags are then summarized. Afterwards, the standard bioinformatics analysis will annotate the clean tags into different categories and take those which can not be annotated to any category to predict the novel miRNA and base edit of potential known miRNA. Compare the known miRNA expression between two samples to find out the differentially expressed miRNA. The procedures are shown as below: (1)Normalize the expression of miRNA in two samples (control and treatment) to get the expression of transcript per million (TPM). Normalization formula: Normalized expression = Actual miRNA count/Total count of clean reads*1000000 (2)Calculate fold-change and P-value from the normalized expression. Then generate the log2ratio plot and scatter plot.

  13. f

    The 10 most different fold changes miRNAs between peak and late lactation.

    • figshare.com
    • plos.figshare.com
    xls
    Updated Jun 2, 2023
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    Zhibin Ji; Guizhi Wang; Zhijing Xie; Jianmin Wang; Chunlan Zhang; Fei Dong; Cunxian Chen (2023). The 10 most different fold changes miRNAs between peak and late lactation. [Dataset]. http://doi.org/10.1371/journal.pone.0049463.t003
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    xlsAvailable download formats
    Dataset updated
    Jun 2, 2023
    Dataset provided by
    PLOS ONE
    Authors
    Zhibin Ji; Guizhi Wang; Zhijing Xie; Jianmin Wang; Chunlan Zhang; Fei Dong; Cunxian Chen
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Description

    Note: Nor_Reads: Normalized reads, the results of Solexa sequencing, Normalization formula: Normalized expression = Actual miRNA count/Total count of clean reads×1,000,000; F_change: Fold_changes (Log2 Late lactation/Peak lactation), fold changes of miRNAs in both samples, – represents down regulation in late lactation; P_Value: P values manifest the significance of miRNAs differential expression between two samples; Sig_level: Significance_level, # represents no significant difference, * represents significant difference;

  14. p

    Aarhus University,Danish Centre for Environment and Energy

    • pigma.org
    • sextant.ifremer.fr
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    doi, www:download +1
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    EMODnet Chemistry, Aarhus University,Danish Centre for Environment and Energy [Dataset]. https://www.pigma.org/geonetwork/BORDEAUX_METROPOLE_DIR_INFO_GEO/api/records/7bf3d736-cb5e-40d1-9fc8-1be134cd1daf
    Explore at:
    www:link, doi, www:downloadAvailable download formats
    Dataset provided by
    IFREMER, SISMER, Scientific Information Systems for the SEA
    National Institute of Oceanography and Applied Geophysics - OGS, Division of Oceanography
    EMODnet Chemistry
    Ifremer, VIGIES (Information Valuation Service for Integrated Management and Monitoring)
    Time period covered
    Jan 1, 2001 - Aug 11, 2021
    Area covered
    Description

    This visualization product displays the cigarette related items abundance of marine macro-litter (> 2.5cm) per beach per year from non-MSFD monitoring surveys, research & cleaning operations without UNEP-MARLIN data.

    EMODnet Chemistry included the collection of marine litter in its 3rd phase. Since the beginning of 2018, data of beach litter have been gathered and processed in the EMODnet Chemistry Marine Litter Database (MLDB). The harmonization of all the data has been the most challenging task considering the heterogeneity of the data sources, sampling protocols and reference lists used on a European scale.

    Preliminary processing were necessary to harmonize all the data: - Exclusion of OSPAR 1000 protocol: in order to follow the approach of OSPAR that it is not including these data anymore in the monitoring; - Selection of surveys from non-MSFD monitoring, cleaning and research operations; - Exclusion of beaches without coordinates; - Selection of cigarette related items only. The list of selected items is attached to this metadata. This list was created using EU Marine Beach Litter Baselines and EU Threshold Value for Macro Litter on Coastlines from JRC (these two documents are attached to this metadata); - Exclusion of surveys without associated length; - Exclusion of surveys referring to the UNEP-MARLIN list: the UNEP-MARLIN protocol differs from the other types of monitoring in that cigarette butts are surveyed in a 10m square. To avoid comparing abundances from very different protocols, the choice has been made to distinguish in two maps the cigarette related items results associated with the UNEP-MARLIN list from the others; - Normalization of survey lengths to 100m & 1 survey / year: in some case, the survey length was not 100m, so in order to be able to compare the abundance of litter from different beaches a normalization is applied using this formula: Number of cigarette related items of the survey (normalized by 100 m) = Number of cigarette related items of the survey x (100 / survey length) Then, this normalized number of cigarette related items is summed to obtain the total normalized number of cigarette related items for each survey. Finally, the median abundance of cigarette related items for each beach and year is calculated from these normalized abundances of cigarette related items per survey.

    Percentiles 50, 75, 95 & 99 have been calculated taking into account cigarette related items from other sources data (excluding UNEP-MARLIN protocol) for all years.

    More information is available in the attached documents.

    Warning: the absence of data on the map doesn't necessarily mean that they don't exist, but that no information has been entered in the Marine Litter Database for this area.

  15. o

    Beach Litter - Median of total number of litter items normalized per 100m &...

    • nodc.ogs.it
    Updated 2021
    + more versions
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    EMODnet Chemistry (2021). Beach Litter - Median of total number of litter items normalized per 100m & to 1 survey - Official monitoring 2001/2020 v2021 [Dataset]. http://doi.org/10.13120/a8e66da6-ebac-4c4d-96cb-4542eb66894b
    Explore at:
    Dataset updated
    2021
    Dataset provided by
    datacite
    EMODnet Chemistry
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Dataset funded by
    European Commission
    Description

    This visualization product displays the total abundance of marine macro-litter (> 2.5cm) per beach per year from Marine Strategy Framework Directive (MSFD) monitoring surveys.

    EMODnet Chemistry included the collection of marine litter in its 3rd phase. Since the beginning of 2018, data of beach litter have been gathered and processed in the EMODnet Chemistry Marine Litter Database (MLDB).
    The harmonization of all the data has been the most challenging task considering the heterogeneity of the data sources, sampling protocols and reference lists used on a European scale.


    Preliminary processing were necessary to harmonize all the data:
    - Exclusion of OSPAR 1000 protocol: in order to follow the approach of OSPAR that it is not including these data anymore in the monitoring;
    - Selection of MSFD surveys only (exclusion of other monitoring, cleaning and research operations);
    - Exclusion of beaches without coordinates;
    - Some categories & some litter types like organic litter, small fragments (paraffin and wax; items > 2.5cm) and pollutants have been removed. The list of selected items is attached to this metadata. This list was created using EU Marine Beach Litter Baselines and EU Threshold Value for Macro Litter on Coastlines from JRC (these two documents are attached to this metadata);
    - Normalization of survey lengths to 100m & 1 survey / year: in some case, the survey length was not exactly 100m, so in order to be able to compare the abundance of litter from different beaches a normalization is applied using this formula:
    Number of items (normalized by 100 m) = Number of litter per items x (100 / survey length)
    Then, this normalized number of items is summed to obtain the total normalized number of litter for each survey. Finally, the median abundance for each beach and year is calculated from these normalized abundances per survey.
    Sometimes the survey length was null or equal to 0. Assuming that the MSFD protocol has been applied, the length has been set at 100m in these cases.

    Percentiles 50, 75, 95 & 99 have been calculated taking into account MSFD data for all years.


    More information is available in the attached documents.


    Warning: the absence of data on the map doesn't necessarily mean that they don't exist, but that no information has been entered in the Marine Litter Database for this area.

  16. M

    Beach Litter - Material categories percentage per year - Other sources

    • marine-analyst.org
    • marine-analyst.eu
    • +2more
    html
    Updated Jun 12, 2025
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    EMODnet Chemistry (2025). Beach Litter - Material categories percentage per year - Other sources [Dataset]. http://marine-analyst.org/dev.py?N=simple&O=751&titre_page=Beach%20Litter%20-%20Material%20categories%20percentage%20per%20year%20-%20Other%20sources&titre_chap=&maxlat=65.0&maxlon=44.0&minlon=-16.0&minlat=30.0&visit=1852
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    htmlAvailable download formats
    Dataset updated
    Jun 12, 2025
    Dataset provided by
    http://www.marine-analyst.eu
    Authors
    EMODnet Chemistry
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Earth
    Description

    This visualization product displays marine litter material categories percentage per year per beach from research & cleaning operations. EMODnet Chemistry included the gathering of marine litter in its 3rd phase. Since the beginning of 2018, data of beach litter have been gathered and processed in the EMODnet Chemistry Marine Litter Database (MLDB). The harmonization of all the data has been the most challenging task considering the heterogeneity of the data sources, sampling protocols and reference lists used on a European scale. Preliminary processing were necessary to harmonize all the data : - Exclusion of OSPAR 1000 protocol, - Separation of monitoring surveys from research & cleaning operations - Exclusion of beaches with no coordinates - Normalization of survey lengths and survey numbers per year - Some categories & some litter types have been removed To calculate percentages, formula applied is : Material (%) = (total number of items (normalized at 100 m) of each material category)/(total number of items (normalized at 100 m) of all categories)*100 The material categories differ between reference lists. In order to apply a common procedure for all the surveys, the material categories have been harmonized. Eleven material categories have taken into account for this product and information on data processing and calculation are detailed in the document attached p14.

  17. Additional file 1: Table S1. of Profiling of drought-responsive microRNA and...

    • springernature.figshare.com
    xlsx
    Updated May 31, 2023
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    Minmin Liu; Huiyang Yu; Gangjun Zhao; Qiufeng Huang; Yongen Lu; Bo Ouyang (2023). Additional file 1: Table S1. of Profiling of drought-responsive microRNA and mRNA in tomato using high-throughput sequencing [Dataset]. http://doi.org/10.6084/m9.figshare.c.3811798_D10.v1
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    xlsxAvailable download formats
    Dataset updated
    May 31, 2023
    Dataset provided by
    Figsharehttp://figshare.com/
    figshare
    Authors
    Minmin Liu; Huiyang Yu; Gangjun Zhao; Qiufeng Huang; Yongen Lu; Bo Ouyang
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Description

    Conserved miRNAs expressed in the drought-sensitive and -tolerant tomato genotypes. a, TPM: the expression of transcript per million on the basis of the normalization formula: normalized expression = (actual miRNA count/total count of mapped reads)*1,000,000. b, * and ** indicate a significant difference after drought stress. *: q-value ≤0.05 and |log2 (SD/SCK) | ≥ 1. **: q-value ≤0.01 and |log2 (SD/SCK) | ≥ 1. c, * and ** indicate a significant difference after drought stress. *: q-value ≤0.05 and |log2 (TD/TCK) | ≥ 1. **: q-value ≤0.01 and |log2 (TD/TCK) | ≥ 1. (XLSX 27 kb)

  18. p

    Aarhus University,Danish Centre for Environment and Energy

    • pigma.org
    • sextant.ifremer.fr
    • +1more
    doi, www:download +1
    Updated May 6, 2021
    + more versions
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    EMODnet Chemistry (2021). Aarhus University,Danish Centre for Environment and Energy [Dataset]. https://www.pigma.org/geonetwork/srv/api/records/0822268e-6d87-488a-9566-57c0a789e6a8
    Explore at:
    doi, www:link, www:downloadAvailable download formats
    Dataset updated
    May 6, 2021
    Dataset provided by
    IFREMER, SISMER, Scientific Information Systems for the SEA
    National Institute of Oceanography and Applied Geophysics - OGS, Division of Oceanography
    EMODnet Chemistry
    Ifremer, VIGIES (Information Valuation Service for Integrated Management and Monitoring)
    Time period covered
    Jan 1, 2001 - Apr 22, 2020
    Area covered
    Description

    This visualization product displays the plastic bags abundance of marine macro-litter (> 2.5cm) per beach per year from non-MSFD monitoring surveys, research & cleaning operations.

    EMODnet Chemistry included the collection of marine litter in its 3rd phase. Since the beginning of 2018, data of beach litter have been gathered and processed in the EMODnet Chemistry Marine Litter Database (MLDB). The harmonization of all the data has been the most challenging task considering the heterogeneity of the data sources, sampling protocols and reference lists used on a European scale.

    Preliminary processing were necessary to harmonize all the data: - Exclusion of OSPAR 1000 protocol: in order to follow the approach of OSPAR that it is not including these data anymore in the monitoring; - Selection of surveys from non-MSFD monitoring, cleaning and research operations; - Exclusion of beaches without coordinates; - Selection of plastic bags related items only. The list of selected items is attached to this metadata. This list was created using EU Marine Beach Litter Baselines and EU Threshold Value for Macro Litter on Coastlines from JRC (these two documents are attached to this metadata); - Exclusion of surveys without associated length; - Normalization of survey lengths to 100m & 1 survey / year: in some case, the survey length was not 100m, so in order to be able to compare the abundance of litter from different beaches a normalization is applied using this formula: Number of plastic bags related items of the survey (normalized by 100 m) = Number of plastic bags related items of the survey x (100 / survey length) Then, this normalized number of plastic bags related items is summed to obtain the total normalized number of plastic bags related items for each survey. Finally, the median abundance of plastic bags related items for each beach and year is calculated from these normalized abundances of plastic bags related items per survey.

    Percentiles 50, 75, 95 & 99 have been calculated taking into account plastic bags related items from other sources data for all years.

    More information is available in the attached documents.

    Warning: the absence of data on the map doesn't necessarily mean that they don't exist, but that no information has been entered in the Marine Litter Database for this area.

  19. ARPA Emilia-Romagna, Struttura Oceanografica Daphne

    • catalogue.arctic-sdi.org
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    doi, www:download +1
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    Camargue Regional Nature Park, ARPA Emilia-Romagna, Struttura Oceanografica Daphne [Dataset]. https://catalogue.arctic-sdi.org/geonetwork/srv/api/records/260775fe-9d1b-492a-982f-e9bb7467a89b
    Explore at:
    www:link, doi, www:downloadAvailable download formats
    Dataset provided by
    EUCC – The Coastal Union Germanyhttp://www.eucc-d.de//
    State Office for Agriculture, Environment and Rural Areas of Schleswig Holstein
    ARPA Calabria
    Bastia Golo Mediterranea Permanent Centre for Environmental Initiatives
    Southeast Rügen Biosphere Reserve Office
    Nature and Biodiversity Conservation Union Germany
    National Institute of Chemistry
    Marineland association
    National Park Authority Vorpommern
    Regional School "Windland" Altenkirchen
    Environment and Resources Authority
    Explore & Preserve
    MTE-DGSCM, Directorate for Coast and Sea Sustainability. Ministry for Ecological Transition
    Keep the Archipelago Tidy Association
    Hellenic Centre for Marine Research, Institute of Oceanography
    Department of Fisheries and Marine Research, Division of Marine Biology and Ecology
    Jordsand Association
    Mediterranean Information Office for Environment, Culture and Sustainable Development
    National Institute for Marine Research and Development "Grigore Antipa"
    The North Sea Foundation
    The Keep Sweden Tidy Foundation
    Marine Research Institute of Klaipeda University
    Thau Basin Permanent Centre for Environmental Initiatives
    Nature and Biodiversity Conservation Union, Marine Conservation Office
    State Agency for Environment, Nature and Geology, Mecklenburg-Vorpommern
    Keep the Estonian Sea Tidy Association
    Black Sea Basin Directorate
    Institute of Oceanography and Fisheries
    CENTRE FOR DOCUMENTATION, RESEARCH AND EXPERIMENTATION ON ACCIDENTAL WATER POLLUTION
    Non-governmental environmental organization "Mare Nostrum"
    Foundation for Environmental Education, Latvia
    AKTI Project and Research Centre
    Camargue Regional Nature Park
    Treanbeg Marine
    Portuguese Environment Agency
    Aarhus University, Department of Bioscience
    Royal Belgian Institute of Natural Sciences
    The Danish Environmental Protection Agency
    Beach litter - Composition of litter according to material categories in percent normalized per beach per year - EU-MSFD monitoring 2001/2022 v2023
    ARPA Liguria
    French Agency For Biodiversity
    KIMO Denmark
    Institute for Water of the Republic of Slovenia
    IFREMER, SISMER, Scientific Information Systems for the SEA
    National Institute of Oceanography and Applied Geophysics - OGS, Division of Oceanography
    Ifremer, VIGIES (Information Valuation Service for Integrated Management and Monitoring)
    Time period covered
    Jan 1, 2001 - Nov 17, 2022
    Area covered
    Description

    This visualization product displays marine macro-litter (> 2.5cm) material categories percentage per beach per year from Marine Strategy Framework Directive (MSFD) monitoring surveys.

    EMODnet Chemistry included the collection of marine litter in its 3rd phase. Since the beginning of 2018, data of beach litter have been gathered and processed in the EMODnet Chemistry Marine Litter Database (MLDB). The harmonization of all the data has been the most challenging task considering the heterogeneity of the data sources, sampling protocols and reference lists used on a European scale.

    Preliminary processing were necessary to harmonize all the data: - Exclusion of OSPAR 1000 protocol: in order to follow the approach of OSPAR that it is not including these data anymore in the monitoring; - Selection of MSFD surveys only (exclusion of other monitoring, cleaning and research operations); - Exclusion of beaches without coordinates; - Some litter types like organic litter, small fragments (paraffin and wax; items > 2.5cm) and pollutants have been removed. The list of selected items is attached to this metadata. This list was created using EU Marine Beach Litter Baselines and EU Threshold Value for Macro Litter on Coastlines from JRC (these two documents are attached to this metadata); - Exclusion of the "feaces" category: it concerns more exactly the items of dog excrements in bags of the OSPAR (item code: 121) and ITA (item code: IT59) reference lists; - Normalization of survey lengths to 100m & 1 survey / year: in some case, the survey length was not exactly 100m, so in order to be able to compare the abundance of litter from different beaches a normalization is applied using this formula: Number of items (normalized by 100 m) = Number of litter per items x (100 / survey length) Then, this normalized number of items is summed to obtain the total normalized number of litter for each survey. Sometimes the survey length was null or equal to 0. Assuming that the MSFD protocol has been applied, the length has been set at 100m in these cases.

    To calculate percentages for each material category, formula applied is: Material (%) = (∑number of items (normalized at 100 m) of each material category)*100 / (∑number of items (normalized at 100 m) of all categories)

    The material categories differ between reference lists (OSPAR, ITA, TSG_ML, UNEP, UNEP_MARLIN). In order to apply a common procedure for all the surveys, the material categories have been harmonized.

    More information is available in the attached documents.

    Warning: the absence of data on the map doesn't necessarily mean that they don't exist, but that no information has been entered in the Marine Litter Database for this area.

  20. Formula of discrimination index.

    • plos.figshare.com
    xls
    Updated Sep 18, 2025
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    Saim Chishti; Faryal Nosheen; Joddat Fatima; Nadia Sultan; Madiha Khalid (2025). Formula of discrimination index. [Dataset]. http://doi.org/10.1371/journal.pone.0331985.t001
    Explore at:
    xlsAvailable download formats
    Dataset updated
    Sep 18, 2025
    Dataset provided by
    PLOShttp://plos.org/
    Authors
    Saim Chishti; Faryal Nosheen; Joddat Fatima; Nadia Sultan; Madiha Khalid
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Description

    Thalassemia is an inherited blood disorder and is among the five most prevalent birth-related complications, especially in Southeast Asia. Thalassemia is classified into two main types—alpha-thalassemia and beta-thalassemia—based on the reduced or absent production of the corresponding globin chains. Over the past couple of decades, researchers have increasingly focused on the application of machine learning algorithms to medical data for identifying hidden patterns to assist in the prediction and classification of diseases and patients. To effectively analyze more complex medical data, more robust machine learning models have been developed to address various health issues. Many researchers have employed different artificial intelligence-based algorithms, i.e., Random Forest, Decision Tree, Support Vector Machine, ensemble-based classifiers, and deep neural networks to accurately detect carriers of beta-thalassemia by training on both diseased and normal test reports. While genetic testing is required by doctors for the most accurate diagnosis, a simple Complete Blood Count (CBC) report can be used to estimate the likelihood of being a beta-thalassemia carrier. Various models have successfully identified beta-thalassemia carriers using CBC data alone, but these models perform classification and prediction based on normalized data. They achieve high accuracy but at the cost of substantial changes to the dataset through class normalization. In this research, we have proposed a Dominance-based Rough Set Approach model to classify patients without balancing the classes (Normal, Abnormal), and the model achieved good performance (91% accuracy). In terms of generalization, the proposed model obtained 89% accuracy on unseen data, comparable to or better than existing approaches.

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Restrepo-Tamayo, Luz Marcela; Gasca-Hurtado, Gloria Piedad; Machuca-Villegas, Liliana; Morillo-Puente, Solbey (2025). Example of normalized scores calculation. [Dataset]. https://datasetcatalog.nlm.nih.gov/dataset?q=0002099613

Example of normalized scores calculation.

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Dataset updated
Apr 16, 2025
Authors
Restrepo-Tamayo, Luz Marcela; Gasca-Hurtado, Gloria Piedad; Machuca-Villegas, Liliana; Morillo-Puente, Solbey
Description

Gamification is a strategy to stimulate social and human factors (SHF) that influence software development productivity. However, software development teams must improve their productivity to face the challenges of software development organizations. Traditionally, productivity analysis only includes technical factors. Literature shows the importance of SHFs in productivity. Furthermore, gamification elements can contribute to enhancing such factors to improve performance. Thus, to design strategies to enhance a specific SHF, it is essential to identify how gamification elements are related to these factors. The objective of this research is to determine the relationship between gamification elements and SHF that influence the productivity of software development teams. This research included the design of a scoring template to collect data from the experts. The importance was calculated using the Simple Additive Weighting (SAW) method as a tool framed in decision theory. Three criteria were considered: cumulative score, matches in inclusion, and values. The relationships of importance serve as a reference value in designing gamification strategies that promote improved productivity. It extends the path toward analyzing the effect of gamification on the productivity of software development. This relationship facilitates designing and implementing gamification strategies to improve productivity.

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