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RAND Center for Population Health and Health Disparities (CPHHD) Data Core Series: Street Connectivity, 1990, 2000 [United States] (ICPSR 27861)
Principal Investigator(s): Escarce, Jose J., RAND Corporation; Lurie, Nicole, RAND Corporation; Jewell, Adria, RAND Corporation
The RAND Center for Population Health and Health Disparities (CPHHD) Data Core Series is composed of a wide selection of analytical measures, encompassing a variety of domains, all derived from a number of disparate data sources. The CPHHD Data Core's central focus is on geographic measures for census tracts, counties, and Metropolitan Statistical Areas (MSAs) from two distinct geo-reference points, 1990 and 2000. In this collection, Street Connectivity, two datasets are available: one for the 1990 Census and another for the 2000 Census. These files contain one record per census tract and have several measures associated with the street network data based on the TIGER/Line files available for each Census. These measures have been computed using ArcGIS software. At the tract level, the type of measures included are: number of street segments and intersections, average and median block length and block size, ratios of the actual number of complete loops to the maximum number of possible loops given the number of intersections, and ratios of the actual number of street segments to the maximum possible given the number of intersections.
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Escarce, Jose J., Nicole Lurie, and Adria Jewell. RAND Center for Population Health and Health Disparities (CPHHD) Data Core Series: Street Connectivity, 1990, 2000 [United States]. ICPSR27861-v1. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2011-06-03. doi:10.3886/ICPSR27861.v1
Persistent URL: http://doi.org/10.3886/ICPSR27861.v1
Scope of Study
Smallest Geographic Unit: census tract
Geographic Coverage: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, United States, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
Date of Collection:
Unit of Observation: census tract
Universe: All census tracts in the 50 United States and District of Columbia (1990 and 2000) and Puerto Rico (2000).
Data Types: census/enumeration data
Data Collection Notes:
Data for Decennial Census Abridged (ICPSR 27866), Segregation Indices (ICPSR 27863), Neighborhood Socioeconomic Status (SES) Index (ICPSR 27865), Disability (ICPSR 27862), Cost-of-Living Indices (ICPSR 27621), and Pollution (ICPSR 27864) are also available from ICPSR.
Additional details about the RAND Center for Population Health and Health Disparities (CPHHD) Data Core Series can be found on the RAND Web site.
Study Purpose: The purpose of the CPHHD Data Core Series is to provide projects with the data tools necessary to conduct quality, population-based, health-relevant research.
United States Bureau of the Census TIGER/Line 1992 files (for 1990 measures)
United States Bureau of the Census 108th CD Census 2000 files (for 2000 measures)
Original ICPSR Release: 2011-06-03
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