This data reports the percentage of Section 337 investigations with a given range of numbers of respondents by calendar year.

This dataset was create using hand signs in images and made the landmarks of the same were made into the attributes of the dataset, contains all 21 landmarks of with each coordinate(x,y,z) and 5 classes(1,2,3,4,5).

You can also add more classes to your dataset by running the following code, make sure to create an empty dataset or append to the dataset here and set the file path correctly

import numpy as np import pandas as pd import matplotlib.pyplot as plt import mediapipe as mp import cv2 import os

for t in range(1,6): path = 'data/'+str(t)+'/' images = os.listdir(path) for i in images: image = cv2.imread(path+i) mp_hands = mp.solutions.hands hands = mp_hands.Hands(static_image_mode=False,max_num_hands=1,min_detection_confidence=0.8,min_tracking_confidence=0.8) mp_draw = mp.solutions.drawing_utils image = cv2.cvtColor(image,cv2.COLOR_BGR2RGB) image.flags.writeable=False results = hands.process(image) image.flags.writeable=True ``` if results.multi_hand_landmarks:

    for hand_no, hand_landmarks in enumerate(results.multi_hand_landmarks):

      mp_draw.draw_landmarks(image = image, landmark_list = hand_landmarks,
               connections = mp_hands.HAND_CONNECTIONS)
  a = dict()
  a['label'] = t
  for i in range(21):
    s = ('x','y','z')
    k = (hand_landmarks.landmark[i].x,hand_landmarks.landmark[i].y,hand_landmarks.landmark[i].z)
    for j in range(len(k)):
      a[str(mp_hands.HandLandmark(i).name)+'_'+str(s[j])] = k[j]
  df = df.append(a,ignore_index=True)

About this dataset

Context

The dataset tabulates the data for the Grass Range, MT population pyramid, which represents the Grass Range population distribution across age and gender, using estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates. It lists the male and female population for each age group, along with the total population for those age groups. Higher numbers at the bottom of the table suggest population growth, whereas higher numbers at the top indicate declining birth rates. Furthermore, the dataset can be utilized to understand the youth dependency ratio, old-age dependency ratio, total dependency ratio, and potential support ratio.

Key observations

• Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Grass Range, MT, is 17.1.
• Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Grass Range, MT, is 160.0.
• Total dependency ratio for Grass Range, MT is 177.1.
• Potential support ratio, which is the number of youth (working age population) per elderly, for Grass Range, MT is 0.6.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

Age groups:

• Under 5 years
• 5 to 9 years
• 10 to 14 years
• 15 to 19 years
• 20 to 24 years
• 25 to 29 years
• 30 to 34 years
• 35 to 39 years
• 40 to 44 years
• 45 to 49 years
• 50 to 54 years
• 55 to 59 years
• 60 to 64 years
• 65 to 69 years
• 70 to 74 years
• 75 to 79 years
• 80 to 84 years
• 85 years and over

Variables / Data Columns

• Age Group: This column displays the age group for the Grass Range population analysis. Total expected values are 18 and are define above in the age groups section.
• Population (Male): The male population in the Grass Range for the selected age group is shown in the following column.
• Population (Female): The female population in the Grass Range for the selected age group is shown in the following column.
• Total Population: The total population of the Grass Range for the selected age group is shown in the following column.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Grass Range Population by Age. You can refer the same here

This JSON file contais 1000 random numbers in a range of 0 to 100 stored in a python list format.

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) System (MTS). The MTS represents a seamless national file with no overlaps or gaps between parts, however, each TIGER/Line shapefile is designed to stand alone as an independent data set, or they can be combined to cover the entire nation. The Address Range Features shapefile contains the geospatial edge geometry and attributes of all unsuppressed address ranges for a county or county equivalent area. The term "address range" refers to the collection of all possible structure numbers from the first structure number to the last structure number and all numbers of a specified parity in between along an edge side relative to the direction in which the edge is coded. Single-address address ranges have been suppressed to maintain the confidentiality of the addresses they describe. Multiple coincident address range feature edge records are represented in the shapefile if more than one left or right address ranges are associated to the edge. This shapefile contains a record for each address range to street name combination. Address ranges associated to more than one street name are also represented by multiple coincident address range feature edge records. Note that this shapefile includes all unsuppressed address ranges compared to the All Lines shapefile (edges.shp) which only includes the most inclusive address range associated with each side of a street edge. The TIGER/Line shapefiles contain potential address ranges, not individual addresses. The address ranges in the TIGER/Line shapefiles are potential ranges that include the full range of possible structure numbers even though the actual structures may not exist.

The dataset is generated based on 5 different filters, i. Gaussian blur (sigma=2.5), ii. width and height shift range=0.2, iii. Rotation range <10, iv. zoom range=0.4, and v. brightness between [0.4,1.5].

The dataset is 40 x 28 pixels and the total number is 8851 images.

The ".csv" file is the labeled dataset which the first column shows the label and the rest columns are the value of the grayscale image.

Discover the ultimate resource for your B2B needs with our meticulously curated dataset, featuring 148MM+ highly relevant US B2B Contact Data records and associated company information.

Very high fill rates for Phone Number, including for Mobile Phone!

This encompasses a diverse range of fields, including Contact Name (First & Last), Work Address, Work Email, Personal Email, Mobile Phone, Direct-Dial Work Phone, Job Title, Job Function, Job Level, LinkedIn URL, Company Name, Domain, Email Domain, HQ Address, Employee Size, Revenue Size, Industry, NAICS and SIC Codes + Descriptions, ensuring you have the most detailed insights for your business endeavors.

Key Features:

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Phone Number Data Inclusion: Benefit from our comprehensive Phone Number Data, ensuring you have direct and effective communication channels. Explore our Phone Number Datasets and Phone Number Databases for an even more enriched experience.

Flexible Pricing Models: Tailor your investment to match your unique business needs, data use-cases, and specific requirements. Choose from targeted lists, CSV enrichment, or licensing our entire database or subsets to seamlessly integrate this data into your products, platform, or service offerings.

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Reach out to us today to explore flexible pricing options and discover how Salutary Data Company Data, B2B Contact Data, B2B Marketing Data, B2B Email Data, Phone Number Data, Phone Number Datasets, and Phone Number Databases can transform your business strategies. Elevate your decision-making with top-notch B2B intelligence.

This paper addresses the computational methods and challenges associated with prime number generation, a critical component in encryption algorithms for ensuring data security. The generation of prime numbers efficiently is a critical challenge in various domains, including cryptography, number theory, and computer science. The quest to find more effective algorithms for prime number generation is driven by the increasing demand for secure communication and data storage and the need for efficient algorithms to solve complex mathematical problems. Our goal is to address this challenge by presenting two novel algorithms for generating prime numbers: one that generates primes up to a given limit and another that generates primes within a specified range. These innovative algorithms are founded on the formulas of odd-composed numbers, allowing them to achieve remarkable performance improvements compared to existing prime number generation algorithms. Our comprehensive experimental results reveal that our proposed algorithms outperform well-established prime number generation algorithms such as Miller-Rabin, Sieve of Atkin, Sieve of Eratosthenes, and Sieve of Sundaram regarding mean execution time. More notably, our algorithms exhibit the unique ability to provide prime numbers from range to range with a commendable performance. This substantial enhancement in performance and adaptability can significantly impact the effectiveness of various applications that depend on prime numbers, from cryptographic systems to distributed computing. By providing an efficient and flexible method for generating prime numbers, our proposed algorithms can develop more secure and reliable communication systems, enable faster computations in number theory, and support advanced computer science and mathematics research.

The MNIST-100 dataset is a variation of the original MNIST dataset, consisting of 100 handwritten numbers extracted from the MNIST dataset. Unlike the traditional MNIST dataset, which contains 60,000 training images of digits from 0 to 9, the Modified MNIST-10 dataset focuses on 100 numbers.

Dataset Overview: - Dataset Name: MNIST-100 - Total Number of Images: train: 60000 test: 1000 - Classes: 100 (Numbers from 00 to 99) - Image Size: 28x56 pixels (grayscale)

Data Collection: The MNIST-100 dataset was created by randomly selecting 10 unique digits from the original MNIST dataset. For each selected digit, 10 representative images were extracted, resulting in a total of 100 images. These images were carefully chosen to represent a diverse range of handwriting styles for each digit.

Each image in the dataset is labeled with its corresponding numbers, ranging from 00 to 99, making it suitable for classification tasks. Researchers and practitioners can use this dataset to train and evaluate machine learning algorithms and neural networks for digit recognition and classification.

Please note that the Modified MNIST-100 dataset is not intended to replace the original MNIST dataset but serves as a complementary resource for specific applications requiring a smaller and more focused subset of the MNIST data.

Overall, the MNIST-100 dataset offers a compact and representative collection of 100 handwritten numbers, providing a convenient tool for experimentation and learning in computer vision and pattern recognition.

Label Distribution for training set:

Label	Occurrences	Label	Occurrences	Label	Occurrences
0	561	34	629	68	606
1	687	35	540	69	582
2	582	36	588	70	566
3	633	37	619	71	659
4	588	38	584	72	572
5	544	39	609	73	682
6	582	40	570	74	627
7	615	41	679	75	598
8	584	42	544	76	605
9	567	43	567	77	602
10	641	44	574	78	595
11	780	45	555	79	586
12	720	46	550	80	569
13	699	47	614	81	628
14	630	48	614	82	578
15	627	49	595	83	622
16	684	50	505	84	569
17	713	51	583	85	540
18	743	52	512	86	557
19	706	53	555	87	628
20	527	54	504	88	562
21	710	55	488	89	625
22	586	56	531	90	600
23	584	57	556	91	700
24	568	58	497	92	622
25	530	59	520	93	622
26	612	60	556	94	591
27	627	61	682	95	557
28	618	62	594	96	580
29	619	63	539	97	640
30	622	64	610	98	577
31	684	65	514	99	563
32	606	66	587
33	592	67	655

Test data:

https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F7193292%2Fac688f2526851734cb50be10f0a7bd7d%2Fpobrane%20(16).png?generation=1690276359580027&alt=media" alt="">

Label	Occurrences	Label	Occurrences	Label	Occurrences
00	96	34	100	68	90
01	108	35	91	69	92
02	91	36	107	70	102
03	96	37	112	71	116
04	75	38	97	72	101
05	85	39	96	73	106
06	88	40	103	74	98
07	96	41	123	75 ...

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). The MTDB represents a seamless national file with no overlaps or gaps between parts, however, each TIGER/Line shapefile is designed to stand alone as an independent data set, or they can be combined to cover the entire nation. The Address Ranges Relationship File (ADDR.dbf) contains the attributes of each address range. Each address range applies to a single edge and has a unique address range identifier (ARID) value. The edge to which an address range applies can be determined by linking the address range to the All Lines Shapefile (EDGES.shp) using the permanent topological edge identifier (TLID) attribute. Multiple address ranges can apply to the same edge since an edge can have multiple address ranges. Note that the most inclusive address range associated with each side of a street edge already appears in the All Lines Shapefile (EDGES.shp). The TIGER/Line Files contain potential address ranges, not individual addresses. The term "address range" refers to the collection of all possible structure numbers from the first structure number to the last structure number and all numbers of a specified parity in between along an edge side relative to the direction in which the edge is coded. The address ranges in the TIGER/Line Files are potential ranges that include the full range of possible structure numbers even though the actual structures may not exist.

This dataset contains raw imaging data along with the MATLAB analysis files for all animals that were analysed in Figures 1 to 5 of the original publication.

This dataset provides winning numbers for these U.S. Lottery Draws:

Mega Millions Mega Millions is a multi-state lottery game that features two drawings each week, typically on Tuesday and Friday evenings. Players pick five numbers from a set of 70 and a Mega Ball number from a set of 25. To hit the jackpot, a player must match all six numbers drawn. Apart from the jackpot, there are other prize tiers based on matching fewer numbers.

Powerball Powerball is another multi-state lottery in the USA. Players select five numbers from a range of 1 to 69, and an additional Powerball number from 1 to 26. Drawings are held twice a week, on Wednesdays and Saturdays. Matching all five numbers and the Powerball wins the jackpot, but there are lesser prizes for matching fewer numbers.

Cash 4 Life Cash 4 Life is a lottery game that offers players the chance to win $1,000 a day for life by matching five numbers from 1 to 60 and a Cash Ball from 1 to 4. The game has two drawings every week. Besides the top prize, the game has various other prize levels, including a second prize of $1,000 a week for life.

Quick Draw Quick Draw is a daily lottery game where players select from a range of numbers, and drawings are held multiple times a day. It features a keno-style format, where players choose up to 10 numbers from a pool of 80. The more numbers matched, the larger the prize.

NY Lotto NY Lotto is New York's only jackpot game with drawings held twice a week. Players choose six numbers from 1 to 59. Matching all six numbers wins the jackpot. The game also features several lower-tier prizes based on matching fewer numbers.

Take 5 Take 5 is a daily drawing game exclusive to New York. Players pick five numbers from a set of 39. The game offers a top prize for matching all five numbers and smaller prizes for matching two, three, or four numbers.

Pick 10 Pick 10 is a daily keno-style game where players select 10 numbers from a range of 1 to 80. The lottery then draws 20 numbers, and players win based on how many of their chosen numbers match the drawn numbers. There are several prize tiers, with the top prize awarded for matching all 10 of one's selected numbers.

Data retrieved from Data.gov (https://www.data.gov/)

Photo by dylan nolte on Unsplash

This dataset is flattern images where each image is represented in a row - Objective: Establish benchmark results for Arabic digit recognition using different classification techniques. - Objective: Compare performances of different classification techniques on Arabic and Latin digit recognition problems. - Valid comparison requires Arabic and Latin digit databases to be in the same format. - A Modified version of the ADBase (MADBase) with the same size and format as MNIST is created. - MADBase is derived from ADBase by size-normalizing each digit to a 20x20 box while preserving aspect ratio. - Size-normalization procedure results in gray levels due to anti-aliasing filter. - MADBase and MNIST have the same size and format. - MNIST is a modified version of the NIST digits database. - MNIST is available for download. I used this code to turn 70k arabic digit into a tabular data for ease of use and to waste less time in the preprocessing ```

Define the root directory of the dataset

root_dir = "MAHD"

Define the names of the folders containing the images

folder_names = ['Part{:02d}'.format(i) for i in range(1, 13)]

folder_names = ['Part{}'.format(i) if i>9 else 'Part0{}'.format(i) for i in range(1, 13)]

Define the names of the subfolders containing the training and testing images

train_test_folders = ['MAHDBase_TrainingSet', 'test']

Initialize an empty list to store the image data and labels

data = [] labels = []

Loop over the training and testing subfolders in each Part folder

for tt in train_test_folders: for folder_name in folder_names: if tt == train_test_folders[1] and folder_name == 'Part03': break subfolder_path = os.path.join(root_dir, tt, folder_name) print(subfolder_path) print(os.listdir(subfolder_path)) for filename in os.listdir(subfolder_path): # check of the file fromat that it's an image if os.path.splitext(filename)[1].lower() not in '.bmp': continue # Load the image img_path = os.path.join(subfolder_path, filename) img = Image.open(img_path)

    # Convert the image to grayscale and flatten it into a 1D array
    img_grey = img.convert('L')
    img_data = np.array(img_grey).flatten()

    # Extract the label from the filename and convert it to an integer
    label = int(filename.split('_')[2].replace('digit', '').split('.')[0])

    # Add the image data and label to the lists
    data.append(img_data)
    labels.append(label)

Convert the image data and labels to a pandas dataframe

df = pd.DataFrame(data) df['label'] = labels ``` This dataset made by https://datacenter.aucegypt.edu/shazeem with 2 datasets - ADBase - MADBase (✅ the one this dataset derived from , similar in form to mnist)

Handwritten Digits Pixel Dataset - Documentation

Overview

The Handwritten Digits Pixel Dataset is a collection of numerical data representing handwritten digits from 0 to 9. Unlike image datasets that store actual image files, this dataset contains pixel intensity values arranged in a structured tabular format, making it ideal for machine learning and data analysis applications.

Dataset Description

Basic Information

• Format: CSV (Comma-Separated Values)
• Total Samples: [Number of rows based on your dataset]
• Features: 784 pixel columns (28×28 pixels) + 1 label column
• Label Range: Digits 0-9
• Pixel Value Range: 0-255 (grayscale intensity)

File Structure

Column Description

• label: The target variable representing the digit (0-9)
• pixel columns: 784 columns named in format [row]xcolumn
• Each pixel column contains integer values from 0-255 representing grayscale intensity

Data Characteristics

Label Distribution

The dataset contains handwritten digit samples with the following distribution:

• Digit 0: [X] samples
• Digit 1: [X] samples
• Digit 2: [X] samples
• Digit 3: [X] samples
• Digit 4: [X] samples
• Digit 5: [X] samples
• Digit 6: [X] samples
• Digit 7: [X] samples
• Digit 8: [X] samples
• Digit 9: [X] samples

(Note: Actual distribution counts would be calculated from your specific dataset)

Data Quality

• Missing Values: No missing values detected
• Data Type: All values are integers
• Normalization: Pixel values range from 0-255 (can be normalized to 0-1 for ML models)
• Consistency: Uniform 28×28 grid structure across all samples

Technical Specifications

Data Preprocessing Requirements

• Normalization: Scale pixel values from 0-255 to 0-1 range
• Reshaping: Convert 1D pixel arrays to 2D 28×28 matrices for visualization
• Train-Test Split: Recommended 80-20 or 70-30 split for model development

Recommended Machine Learning Approaches

Classification Algorithms:

• Random Forest
• Support Vector Machines (SVM)
• Neural Networks
• K-Nearest Neighbors (KNN)

Deep Learning Architectures:

• Convolutional Neural Networks (CNNs)
• Multi-layer Perceptrons (MLPs)

Dimensionality Reduction:

• PCA (Principal Component Analysis)
• t-SNE for visualization

Usage Examples

Loading the Dataset

import pandas as pd

# Load the dataset
df = pd.read_csv('/kaggle/input/handwritten_digits_pixel_dataset/mnist.csv')

# Separate features and labels
X = df.drop('label', axis=1)
y = df['label']

# Normalize pixel values
X_normalized = X / 255.0

About this dataset

Context

The dataset tabulates the data for the South Range, MI population pyramid, which represents the South Range population distribution across age and gender, using estimates from the U.S. Census Bureau American Community Survey 5-Year estimates. It lists the male and female population for each age group, along with the total population for those age groups. Higher numbers at the bottom of the table suggest population growth, whereas higher numbers at the top indicate declining birth rates. Furthermore, the dataset can be utilized to understand the youth dependency ratio, old-age dependency ratio, total dependency ratio, and potential support ratio.

Key observations

• Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for South Range, MI, is 16.9.
• Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for South Range, MI, is 24.6.
• Total dependency ratio for South Range, MI is 41.5.
• Potential support ratio, which is the number of youth (working age population) per elderly, for South Range, MI is 4.1.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Age groups:

• Under 5 years
• 5 to 9 years
• 10 to 14 years
• 15 to 19 years
• 20 to 24 years
• 25 to 29 years
• 30 to 34 years
• 35 to 39 years
• 40 to 44 years
• 45 to 49 years
• 50 to 54 years
• 55 to 59 years
• 60 to 64 years
• 65 to 69 years
• 70 to 74 years
• 75 to 79 years
• 80 to 84 years
• 85 years and over

Variables / Data Columns

• Age Group: This column displays the age group for the South Range population analysis. Total expected values are 18 and are define above in the age groups section.
• Population (Male): The male population in the South Range for the selected age group is shown in the following column.
• Population (Female): The female population in the South Range for the selected age group is shown in the following column.
• Total Population: The total population of the South Range for the selected age group is shown in the following column.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for South Range Population by Age. You can refer the same here

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). The MTDB represents a seamless national file with no overlaps or gaps between parts, however, each TIGER/Line shapefile is designed to stand alone as an independent data set, or they can be combined to cover the entire nation. The Address Ranges Relationship File (ADDR.dbf) contains the attributes of each address range. Each address range applies to a single edge and has a unique address range identifier (ARID) value. The edge to which an address range applies can be determined by linking the address range to the All Lines Shapefile (EDGES.shp) using the permanent topological edge identifier (TLID) attribute. Multiple address ranges can apply to the same edge since an edge can have multiple address ranges. Note that the most inclusive address range associated with each side of a street edge already appears in the All Lines Shapefile (EDGES.shp). The TIGER/Line Files contain potential address ranges, not individual addresses. The term "address range" refers to the collection of all possible structure numbers from the first structure number to the last structure number and all numbers of a specified parity in between along an edge side relative to the direction in which the edge is coded. The address ranges in the TIGER/Line Files are potential ranges that include the full range of possible structure numbers even though the actual structures may not exist.

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). The MTDB represents a seamless national file with no overlaps or gaps between parts, however, each TIGER/Line shapefile is designed to stand alone as an independent data set, or they can be combined to cover the entire nation. The Address Ranges Feature Shapefile (ADDRFEAT.dbf) contains the geospatial edge geometry and attributes of all unsuppressed address ranges for a county or county equivalent area. The term "address range" refers to the collection of all possible structure numbers from the first structure number to the last structure number and all numbers of a specified parity in between along an edge side relative to the direction in which the edge is coded. Single-address address ranges have been suppressed to maintain the confidentiality of the addresses they describe. Multiple coincident address range feature edge records are represented in the shapefile if more than one left or right address ranges are associated to the edge. The ADDRFEAT shapefile contains a record for each address range to street name combination. Address range associated to more than one street name are also represented by multiple coincident address range feature edge records. Note that the ADDRFEAT shapefile includes all unsuppressed address ranges compared to the All Lines Shapefile (EDGES.shp) which only includes the most inclusive address range associated with each side of a street edge. The TIGER/Line shapefile contain potential address ranges, not individual addresses. The address ranges in the TIGER/Line Files are potential ranges that include the full range of possible structure numbers even though the actual structures may not exist.

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). The MTDB represents a seamless national file with no overlaps or gaps between parts, however, each TIGER/Line shapefile is designed to stand alone as an independent data set, or they can be combined to cover the entire nation. The Address Ranges Feature Shapefile (ADDRFEAT.dbf) contains the geospatial edge geometry and attributes of all unsuppressed address ranges for a county or county equivalent area. The term "address range" refers to the collection of all possible structure numbers from the first structure number to the last structure number and all numbers of a specified parity in between along an edge side relative to the direction in which the edge is coded. Single-address address ranges have been suppressed to maintain the confidentiality of the addresses they describe. Multiple coincident address range feature edge records are represented in the shapefile if more than one left or right address ranges are associated to the edge. The ADDRFEAT shapefile contains a record for each address range to street name combination. Address range associated to more than one street name are also represented by multiple coincident address range feature edge records. Note that the ADDRFEAT shapefile includes all unsuppressed address ranges compared to the All Lines Shapefile (EDGES.shp) which only includes the most inclusive address range associated with each side of a street edge. The TIGER/Line shapefile contain potential address ranges, not individual addresses. The address ranges in the TIGER/Line Files are potential ranges that include the full range of possible structure numbers even though the actual structures may not exist.

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). The MTDB represents a seamless national file with no overlaps or gaps between parts, however, each TIGER/Line shapefile is designed to stand alone as an independent data set, or they can be combined to cover the entire nation. The Address Ranges Feature Shapefile (ADDRFEAT.dbf) contains the geospatial edge geometry and attributes of all unsuppressed address ranges for a county or county equivalent area. The term "address range" refers to the collection of all possible structure numbers from the first structure number to the last structure number and all numbers of a specified parity in between along an edge side relative to the direction in which the edge is coded. Single-address address ranges have been suppressed to maintain the confidentiality of the addresses they describe. Multiple coincident address range feature edge records are represented in the shapefile if more than one left or right address ranges are associated to the edge. The ADDRFEAT shapefile contains a record for each address range to street name combination. Address range associated to more than one street name are also represented by multiple coincident address range feature edge records. Note that the ADDRFEAT shapefile includes all unsuppressed address ranges compared to the All Lines Shapefile (EDGES.shp) which only includes the most inclusive address range associated with each side of a street edge. The TIGER/Line shapefile contain potential address ranges, not individual addresses. The address ranges in the TIGER/Line Files are potential ranges that include the full range of possible structure numbers even though the actual structures may not exist.

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). The MTDB represents a seamless national file with no overlaps or gaps between parts, however, each TIGER/Line shapefile is designed to stand alone as an independent data set, or they can be combined to cover the entire nation. The Address Ranges Feature Shapefile (ADDRFEAT.dbf) contains the geospatial edge geometry and attributes of all unsuppressed address ranges for a county or county equivalent area. The term "address range" refers to the collection of all possible structure numbers from the first structure number to the last structure number and all numbers of a specified parity in between along an edge side relative to the direction in which the edge is coded. Single-address address ranges have been suppressed to maintain the confidentiality of the addresses they describe. Multiple coincident address range feature edge records are represented in the shapefile if more than one left or right address ranges are associated to the edge. The ADDRFEAT shapefile contains a record for each address range to street name combination. Address range associated to more than one street name are also represented by multiple coincident address range feature edge records. Note that the ADDRFEAT shapefile includes all unsuppressed address ranges compared to the All Lines Shapefile (EDGES.shp) which only includes the most inclusive address range associated with each side of a street edge. The TIGER/Line shapefile contain potential address ranges, not individual addresses. The address ranges in the TIGER/Line Files are potential ranges that include the full range of possible structure numbers even though the actual structures may not exist.