The Extended Yale B database contains 2414 frontal-face images with size 192×168 over 38 subjects and about 64 images per subject. The images were captured under different lighting conditions and various facial expressions.

Accuracy on a subset of the Extended Yale Face Database B.

Recognition rates (%) on the Extended Yale B database with block occlusion.

The recognition rate of each classifier for face recognition on the Extended Yale B database.

Abstract

The Ghana Socioeconomic panel household survey is a joint effort between the Economic Growth Center at Yale University and the Institute of Statistical, Social and Economic Research at Legon (Accra, Ghana). The survey is meant to remedy a major constraint on the understanding of development in low-income countries - the absence of detailed, multi-level and long-term scientific data that follows individuals over time and describes both the natural and built environment in which the individuals reside. Most data collection efforts are short-term - carried out a one point in time; are limited in scope - collecting information on only a few aspects of the lives of the persons in the study; and when there are multiple rounds of data collection, individuals who leave the study area are dropped. This latter means that the most mobile people are not included in existing surveys and studies, perhaps substantially biasing inferences about who benefits from and who bears the cost of the development process. The goal of this project, which aims to follow all individuals, or a random subset, over time using a comprehensive set of survey instruments is thus to shed new light on long-run processes of economic development.

The data from the second wave of the Ghana Socioeconomic Panel Survey covered a sample of 4,774 households containing 16,356 household members. The second wave was unique in the sense that it tracked movement of households as well as individual within a household. Thus increasing the number of households in the Panel Study due to the nature of the design; tracking wholly moved and split households. A total of 5484 households were selected for the survey comprising of 5009 households from the baseline survey and 475 households from split of households created of which 4774 households were successfully interviewed.

Geographic coverage

The survey provides regionally representative data for the 10 regions of Ghana.

Analysis unit

Households and individuals

Kind of data

Sample survey data

Mode of data collection

Face-to-face Interviews

Research instrument

The Household Questionnaire for the survey was in two parts, A and B. Questionnaire Part A collected data on household members and Questionnaire Part B collected data on the household and dwelling.