Description & Citation--Study No. 13395 | | | ICPSR Study No.: | 13395 |
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Persistent URL:
| http://dx.doi.org/10.3886/ICPSR13395 |
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| | | Title: | Census of Population and Housing, 2000 [United States]: Selected Subsets From Summary File 1, States |
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| | | Principal Investigator(s): | United States Department of Commerce. Bureau of the Census |
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| Inter-university Consortium for Political and Social Research |
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| | | Series: | Census of Population and Housing, 2000 [United States] Series |
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| | | Funding Agency: | National Science Foundation. |
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| | | Grant Number: | SES 0137019 |
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| | | Bibliographic Citation: | U.S. Dept. of Commerce, Bureau of the Census, and Inter-university Consortium for Political and Social Research. CENSUS OF POPULATION AND HOUSING, 2000 [UNITED STATES]: SELECTED SUBSETS FROM SUMMARY FILE 1, STATES [Computer file]. ICPSR ed. Washington, DC: U.S. Dept. of Commerce, Bureau of the Census, and Ann Arbor, MI: Inter-university Consortium for Political and Social Research [producers], 2002. Ann Arbor, MI: Inter-university Consortium for Political and Social Research, [distributor], 2002. doi:10.3886/ICPSR13395 |
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| | | | Summary: | Prepared by the Inter-university Consortium for Political
and Social Research, this data collection consists of selected subsets
extracted from the CENSUS OF POPULATION AND HOUSING, 2000 [UNITED
STATES]: SUMMARY FILE 1, STATES (ICPSR 3194). Summary File 1 data
contain information compiled from the questions asked of all people
and of every housing unit enumerated in Census 2000: sex, age, race,
Hispanic or Latino origin, type of living quarters (household/group
quarters), household relationship, housing unit vacancy status, and
housing unit tenure (owner/renter). The information is presented in
286 tables, one variable per table cell, plus additional variables
with geographic information. Cases in the summary file data are
classified by levels of observation, known as "summary levels" in the
Census Bureau's nomenclature, which served as the selection criteria
for the subsets. Each subset comprises all of the cases in one of two
summary levels: whole census tracts (summary level 140) and census
tracts in places (summary level 158). The latter covers whole tracts
completely within places and portions of tracts that cross place
boundaries. Five files are provided for each subset. There is a file
for each of the four census regions (East, Midwest, South, and West)
and a combined national file. Puerto Rico is included in the national
and South files. |
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| | | Subject Term(s): | census data, demographic characteristics, employment, ethnicity, families, household composition, housing, housing conditions, occupations, population |
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| | | Geographic Coverage: | United States |
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| | | Time Period: | 2000 |
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| | | Date(s) of Collection: | 2000 |
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| | | Universe: | All persons and housing units in the United States. |
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| | | Data Type: | census data |
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| | | Data Collection Notes: | (1) The original Summary File 1, States data comprise
2,080 files. For each state (District of Columbia and Puerto Rico
included), there is one column-delimited file that contains geographic
identifiers (the geographic header record file or "Geo" file), plus 39
comma-delimited table files, each with a subset of tables in the
data. For reasons of confidentiality, table files 12-36 do not contain
data below the tract level. Consequently, they have fewer records than
the Geo file and table files 1-11 and 37-39. The subsets were produced
piece by piece, one state at a time. Initial steps in the production
of a subset for a state involved sorting its Geo file and 39 table
files in ascending order of the common identification variable
LOGRECNO, reformatting the Geo file as a comma-delimited file,
removing records with data below the tract level from table files 1-11
and 37-39, and stripping off the first five identification variables
from each of the 39 table files (FILEID, STUSAB, CHARITER, CIFSN, and
LOGRECNO). Next, the reformatted Geo file was merged with the stripped
table files so that corresponding records in the Geo and table files
were joined as a single record in the merged file. The state subset
was generated by extracting from the merged file all cases with a
given value for SUMLEV, the variable that identifies the summary
level. Separate subsets were generated for summary levels 140 and
158. After subsets were produced for every state, the national and
regional files were compiled by concatenating component state subsets
in ascending order of their state Federal Information Processing
Standards (FIPS) codes. (2) The following states are included in the
four regional files. Northeast: Connecticut, Massachusetts, Maine, New
Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, and
Vermont. Midwest: Iowa, Illinois, Indiana, Kansas, Michigan,
Minnesota, Missouri, North Dakota, Nebraska, Ohio, South Dakota, and
Wisconsin. South: Alabama, Arkansas, District of Columbia, Delaware,
Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North
Carolina, Oklahoma, South Carolina, Tennessee, Texas, Virginia, West
Virginia, and Puerto Rico. West: Alaska, Arizona, California,
Colorado, Hawaii, Idaho, Montana, New Mexico, Nevada, Oregon, Utah,
Washington, and Wyoming. (3) The implied decimal places in variables
INTPTLAT (latitude) and INTPTLON (longitude) were made explicit in the
subsets. In addition, the values of all Geo variables were enclosed in
quotes, except for variables AREALAND, AREAWATR, POP100, HU100,
INTPTLAT, and INTPTLON. (4) The data definition statements were tested
with SAS 8, SPSS 10, and Stata/SE 7.0. (5) The codebook documents data
collection procedures, concepts, and individual variables in the
original Summary File data as well as the ICPSR-produced subsets, but
not the layout and structure of the subsets. That information is
contained in the data dictionary file provided with this
collection. In particular, the "Data Structure and Segmentation"
section in chapter 2 of the codebook and the variable locations shown
in chapter 7 do not apply to the subsets. Every subset file record
begins with the Geo variables in their original order. The Geo
variables are followed by the 6th to last variables in table file 1,
then the 6th to last variables in table file 2, and so on up to the
6th to last variables in table file 39. (6) The codebook is provided
by the principal investigator as a Portable Document Format (PDF)
file. The PDF file format was developed by Adobe Systems Incorporated
and can be accessed using PDF reader software, such as the Adobe
Acrobat Reader. Information on how to obtain a copy of the Acrobat
Reader is provided on the ICPSR Web site. |
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| | | | Data Source: | self-enumerated questionnaires |
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| | | Extent of Processing: | REFORM.DATA/ DDEF.ICPSR |
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| | | | Note: | A list of the data formats available for this study can be found in the
summary of holdings. Detailed file-level information (such as record length, case count, and variable count) is listed in the
file manifest. |
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| | | Original ICPSR Release: | 2002-11-08 |
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| | | Version History: | The last update of this study occurred on 2006-01-18. |
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| 2006-01-18 - File CB13395.ALL.PDF was removed from any previous datasets and flagged as a study-level file, so that it will accompany all downloads. |
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| | | Dataset(s): | - DS1: Whole Census Tracts, the Nation
- DS2: Whole Census Tracts, Northeast Only
- DS3: Whole Census Tracts, Midwest Only
- DS4: Whole Census Tracts, South Only
- DS5: Whole Census Tracts, West Only
- DS6: Census Tracts in Places, the Nation
- DS7: Census Tracts in Places, Northeast Only
- DS8: Census Tracts in Places, Midwest Only
- DS9: Census Tracts in Places, South Only
- DS10: Census Tracts in Places, West Only
- DS100: Data Dictionary
- DS101: SAS Data Definition Statements
- DS102: SPSS Data Definition Statements
- DS103: Stata Data Definition Statements
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