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Topic: IPUMS

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	IPUMSI - FAQ
		IPUMS is not a collection of compiled statistics; it is composed of microdata.
		All variables in the IPUMS are "integrated": they are documented in English, associated with the relevant sections of the original census instructions, and the data are processed and often recoded for technical and other considerations.
		The regular IPUMS variables -- the ones on the main variable availability screen -- are harmonized: the same codes and labels apply across all the samples that contain the variable.
	international.ipums.org /international-action/faq.do (4790 words)

	IPUMS - Wikipedia, the free encyclopedia
		IPUMS is an acronym for the Integrated Public Use Microdata Series.
		The IPUMS projects are undertaken at the Minnesota Population Center, an interdisciplinary research center at the University of Minnesota, Twin Cities.
		The IPUMS-USA samples draw on every surviving national census from 1850 to 2000 (with the exception of the 1890 census, which was destroyed in a fire) and from the American Community Survey of 2000-2004.
	en.wikipedia.org /wiki/IPUMS (328 words)

	IPUMS-USA and IPUMS-International
		The IPUMS server will be offline for maintenance from 6:00 P.M. on on Friday, June 20, 2003 to 6:00 A.M. on Monday, June 23, 2003.
		The IPUMS extract system will be off-line for maintenance from 6:00 a.m.
		The IPUMS server will be off-line for routine maintenance on Saturday, April 14, 2001.
	www.ipums.umn.edu (212 words)

	United States Census - Wikipedia, the free encyclopedia
		Data is available for all surviving census records, including recent records up to the 2000 census, for research purposes from IPUMS USA.
		Further, scanned copies of each of the decennial census questionnaires distributed in the United States from 1960 forward are availalble on-line from IPUMS International.
		Censuses had been taken prior to the Constitution's ratification; in the early 1600s, a census was taken in Virginia, and people were counted in nearly all of the British colonies that became the United States.
	en.wikipedia.org /wiki/U.S._Census (1277 words)

	IPUMS Census Database
		The coding schemes have been standardized (by the IPUMS project) to be consistent across years.
		IPUMS Historical Census Projects University of Minnesota 614 Social Sciences 267 19th Avenue South Minneapolis, MN 55455 ipums@hist.umn.edu
		The IPUMS project is a large collection of federal census data which has standardized coding schemes to make comparisons across time easy.
	kdd.ics.uci.edu /databases/ipums/ipums.data.html (406 words)

	Integrated Use Public Microdata Series (IPUMS) (Site not responding. Last check: 2007-10-22)
		The IPUMS consists of twenty-five high-precision samples of the American population drawn from thirteen federal censuses.
		The IPUMS assigns uniform codes across all the samples and brings relevant documentation into a coherent form to facilitate analysis of social and economic change.
		Since the IPUMS includes nearly all the detail originally recorded by the census enumerations, users can construct a great variety of tabulations interrelating any desire d set of variables.
	ssdc.ucsd.edu /ssdc/ipu00001.html (497 words)

	[No title] (Site not responding. Last check: 2007-10-22)
		The IPUMS is a coherent series of individual-level U.S. census data drawn from thirteen census years between 1850 and 1990.
		Although this is one of the world’s largest public-use databases, it is modest by comparison with our new endeavor: we plan to build a database with some 650 samples drawn from 21 countries on six continents, and it will include about 550 million records requiring some 250 gigabytes in uncompressed form.
		As in the case of the existing IPUMS, we will provide a wide variety of ancillary information to aid in the interpretation of the data, including full detail on sample designs and sampling errors, procedural histories of each dataset, full documentation of error correction and other post-enumeration processing, and analyses of data quality.
	www.spc.uchicago.edu /datalib/ia2000/prog/ruggles-fitch.txt (1058 words)

	+ Integrated Public Use Microdata Sample (IPUMS) (Site not responding. Last check: 2007-10-22)
		The IPUMS consists of 23 samples of the U.S. Census.
		The IPUMS combines these high-precision samples of the U.S. population into a single database spanning eleven census years from 1850 to 1990.
		Most of the census samples have existed for several years, but because the original samples were coded and formatted differently, they have been very difficult to use in combination.
	www.csuchico.edu /econ/old/faq/faq2/EconFAQ/node38.html (212 words)

	Minnesota Population Center (Site not responding. Last check: 2007-10-22)
		For the period from 1940 through 2000, the IPUMS incorporates samples that were originally prepared by the Census Bureau.
		The workshop was held in conjunction with the 22nd Population Census Conference of the Association of National Census and Statistical Directors of America, Asia and the Pacific.
		IPUMS project co-investigators Robert McCaa and Dennis Ahlburg joined representatives from Asian and Pacific statistical agencies—including Cambodia, Fiji, India, Indonesia, Iraq, Japan, Malaysia, Mongolia, and the Philippines—along with a delegation from the Institute of Statistics of Chile and numerous participants from the Center for Studies in Demography and Ecology at the University of Washington.
	www.pop.umn.edu /about/mpcNews.shtml (1439 words)

	IPUMSi - Australia
		Created at the University of Minnesota in October 1997, the IPUMS consists of twenty-five high-precision samples of the American population drawn from thirteen federal censuses.
		The IPUMS assigns uniform codes across all the samples and brings relevant documentation into a coherent form to facilitate analysis of social and economic change.
		The IPUMS project has enjoyed almost a decade of support from federal funding agencies for integrating census microdata of the United States.
	rsss.anu.edu.au /~ipumsi/intro.phtml (370 words)

	American Journal of Economics and Sociology, The: Persistent Advantage or Disadvantage?: Evidence in Support of the ...
		Hence, the essence of the study is the statistical demonstration that there are significant and detectable effects on current generations of the labor market experiences of their racial/ethnic ancestors.
		Moreover, access to IPUMS facilitates assessment of the long-term effects of ethnic or racial group affiliation on the contemporary economic performance of members of each group.
		In the present study, we utilize IPUMS to measure the degree of labor market discrimination faced by several ethnic and racial groups over the course of a century.
	www.findarticles.com /p/articles/mi_m0254/is_2_60/ai_75451913 (1228 words)

	[No title] (Site not responding. Last check: 2007-10-22)
		The Integrated Public Use Microdata Sample (IPUMS), created at the Social History Research Laboratory of the University of Minnesota, is now available.
		The IPUMS combines these high-precision samples of the U.S. population into a single database spanning 1850 to the present.
		The IPUMS database is accompanied by a User Guide which can be downloaded with the data.
	www.usc.edu /its/doc/statistics/databases/ipums (212 words)

	PDQ Toolbox, Examples For Demographers (Site not responding. Last check: 2007-10-22)
		State of residence in 1990 is displayed as the column and state of residence in 1985 as the row.
		In this case, the selection is used to choose college graduates along with the 1990 5% IPUMS data file from the concatenated set of all IPUMS years.
		This example uses the Concatenated IPUMS data set to look at the percentage of women working in each of several selected occupations over the 1940-1990 time period.
	www.pdq.com /products/toolbox/demographers.html (540 words)

	Sherman Dorn: Thank you, Steven Ruggles
		Then I went to IPUMS, downloaded census data from 1940 thorugh 1980 (I'll need to get 1990 and 2000 separately to get the right education variables), and did a first stab.
		But on first glance, it appears that this data confirms my previous claims that high school graduation has plateaued since 1970, and that people are graduating on average a little later as teenagers now.
		I set up my data extract in about 90 seconds, downloaded it after waiting about 2 minutes for the extract to be set up, waited another 3 minutes on the download, and then processed it and set up the graph when all was said and done in about 2 hours of work.
	www.shermandorn.com /mt/archives/000181.html (613 words)

	Information about IPUMS (Site not responding. Last check: 2007-10-22)
		USA DESCRIPTION: The IPUMS consists of twenty-five high-precision samples of the American population drawn from thirteen federal censuses.
		The objective of this project is to create and disseminate an integrated international census database incorporating 21 countries on six continents.
		Go to the IPUMS International Web Site to register to use data currently available and to track the exciting progress of this wonderful initiative.
	www.pop.psu.edu /data-archive/daman/ipums.htm (295 words)

	Integrated Public Use Microdata Series
		One of the great archival projects of the past two decades has been to make huge samples from each of the 1850— 2000 censuses machine-readable—including at least one percent of the American population enumerated in each year.
		Across all years, a given census question (for example, place of birth) is in the same place in the dataset, and each possible response to the question (for example, Germany) has the same numerical code.
		IPUMS also offers an option for selecting random subsamples: a mini version with 21,000 households, and a tiny version with 2,100 households.
	historymatters.gmu.edu /d/4191 (558 words)

	[No title] (Site not responding. Last check: 2007-10-22)
		The IPUMS is a coherent series of individual-level U.S. census data drawn from 13 federal censuses between 1850 and 1990 and is used by social science researchers worldwide (for more information on IPUMS, see www.ipums.umn.edu).
		The computers that currently serve IPUMS to the world are a mix of Sun and Intel architecture running various Unix operating systems, Fortran and Perl programs, shell scripts, and HTML.
		The IPUMS job scheduling feature will also be explained, as well as the process by which IPUMS is packaged for distribution and installation at remote sites.
	www.spc.uchicago.edu /datalib/ia2000/prog/block.txt (412 words)

	For our First Regression we can take a look at our regression based on age, age squared, and education level
		The Ipums data consists of twenty-five high-precision samples of the American population drawn from thirteen federal censuses.
		The data regarding income has been formatted to exclude code 999999, which is Ipums income code for N/A. This dropped my sample size from 52,000 observations down to 44,650 observations.
		Occupation was narrowed down into specific groups, but because of the descriptions on the Ipums web site was ambiguous I decided to not focus on the variable due to lack of preciseness.
	www.students.sonoma.edu /users/w/woodp/sum.html (2528 words)

	Andrew Leigh » Blog Archive » Too much privacy
		IPUMS, the world’s greatest free data archive, is adding other countries’ data.
		I have a personal interest because long before IPUMS, I published a paper on interethnic marriage in Australia and was favored with a research fellowship at Canberra.
		The Census and Statistics Act seems liberal enough, simply stating that no data or results shall be disseminated “in a manner that is likely to enable the identification of a particular person or organization”.
	andrewleigh.com /?p=171 (689 words)

	[No title]
		The IPUMS is a coherent series of individual-level U.S. census data drawn from thirteen census years between 1850 and 1990.
		Although this is one of the world’s largest public-use databases, it is modest by comparison with our new endeavor: we plan to build a database with some 650 samples drawn from 21 countries on six continents, and it will include about 550 million records requiring some 250 gigabytes in uncompressed form.
		As in the case of the existing IPUMS, we will provide a wide variety of ancillary information to aid in the interpretation of the data, including full detail on sample designs and sampling errors, procedural histories of each dataset, full documentation of error correction and other post-enumeration processing, and analyses of data quality.
	www.src.uchicago.edu /datalib/ia2000/presentations/ruggles.doc (1282 words)

	A Century of Difference
		The Integrated Public Use Microdata Series (IPUMS), created at the University of Minnesota, provide the basis for examination of population characteristics and trends over the course of the twentieth century.
		The IPUMS consists of public use samples of census microdata drawn from thirteen federal censuses, spanning the period from 1850 to 1990.
		The IPUMS data is available via an extraction and download procedure.
	ucdata.berkeley.edu:7101 /rsfcensus2/datasrc.html (567 words)

	NAPP
		This variable is consistent with the IPUMS LABFORCE variable for all pre-1940 censuses.
		This variable is consistent with the IPUMS variable SEA, except in the Dakota Territory.
		Users should note that because relationship was not enumerated, all spouses in Canada are coded as 2 "Married, spouse absent" When IMPREL is constructed, we will be able to identify which spouses are present or not.
	www.nappdata.org /napp/revision_history.shtml (1975 words)

	About Microdata
		The IPUMS consists of consists of twenty-five high-precision samples of the American population drawn from fifteen federal censuses.
		The IPUMS combines these high-precision samples of the U.S. population into a single database spanning eleven census years from 1850 to 1990.
		Because different investigators created these samples at different times, they employed a wide variety of record layouts, coding schemes, and documentation, the IPUMS assigns uniform codes across all the samples and brings relevant documentation into a coherent form to facilitate analysis of social and economic change.
	www.library.uiuc.edu /doc/newpages/microdata/microdata.htm (1639 words)

	[No title]
		The IPUMS is a coherent series of individual-level U.S. census data drawn from 13 federal censuses between 1850 and 1990 and is used by social science researchers worldwide (for more information on IPUMS, see www.ipums.umn.edu).
		The computers that currently serve IPUMS to the world are a mix of Sun and Intel architecture running various Unix operating systems, Fortran and Perl programs, shell scripts, and HTML.
		The IPUMS job scheduling feature will also be explained, as well as the process by which IPUMS is packaged for distribution and installation at remote sites.
	www.src.uchicago.edu /datalib/ia2000/prog/block.txt (412 words)

	Data in the EML Archive
		IPUMS consists of twenty-three samples of the Unites States population drawn from the decennial censuses of 1850, 1880, 1900 through 1920, and 1940 through 1990.
		The IPUMS innovation over the existing microdata samples is that all record layouts, documentation, and coding schemes have been harmonized into one coherent format.
		The data are organized by household observation, containing variables common to all members of the household, followed by individual observations for all members of the household.
	emlab.berkeley.edu /pub/eml/data_src/node3.html (1256 words)

	AH-014-003-2-1-United States-QueryLogic-1850 (Site not responding. Last check: 2007-10-22)
		Please note that the 1890 data are not available because they were destroyed in a fire, while the 1930 data have not been released from the Census Bureau yet.
		In general, the later census years provide a greater range of characteristics than the earlier ones, though the earlier censuses often contain greater detail for the variables that are available.
		A full listing of available variables can be found in the documentation section entitled IPUMS Variable at the IPUMS website.
	dpls.dacc.wisc.edu /newcatalog/study.asp?tid=13633&id=7754 (422 words)

	Yale University Library: Yale University Library Research Guide
		The Integrated Public Use Microdata Series (IPUMS) is the largest publicly accessible computerized database on a human population.
		The IPUMS combines them into a single database that, insofar as possible, assigns uniform codes to variables across all years for which they are available.
		The IPUMS includes all information available in the original public use samples for each census year.
	www.library.yale.edu /instruction/mrdf.html (699 words)

	[No title] (Site not responding. Last check: 2007-10-22)
		Jean Roth, jroth@nber.org ------------------------------------------------------------------------ 2003-05-13 Dear IPUMS Users, We are pleased to announce the first release of data from the 2000 1% IPUMS sample.
		All available 2000 IPUMS data can be accessed via our Beta site at http://beta.ipums.org/usa/.
		The Minnesota Population Center is committed to releasing the 2000 data in IPUMS format as quickly as possible.
	www.nber.org /PUMS/readme.txt (168 words)

	Historical Methods
		Meeting 4) SPSS files from the Census: using IPUMS, IPUMS-International and the North Atlantic Population Project data files.
		Report the IPUMS project and on your experiences as a user.
		Use the U of T data library Web site to search aggregate data tables from the 2001 and previous Censuses of Canada and reorganize them using the browser helper application called Beyond 2020.
	www.utoronto.ca /sociology/graduate/6714sum2006.html (1108 words)

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