China and US Census Data

We are pleased to announce the release of a new version of the Ulysses cross-tabulation engine, a unique Internet-based service designed to provide rapid, interactive access to socioeconomic data on individuals and households for the U.S.A. and China. This release contains a one percent sample of microdata for 1970-1990 for the United States and 1982 for China. Ulysses allows you to choose records from national census data, and compute statistical information from the selected records. Ulysses can deliver tabulated results from gigabyte-sized datasets in seconds.

Access to Ulysses is available by public login:
telnet://ulysses.ciesin.org

or

telnet://160.39.8.201
login: ulysses

Data The new version of Ulysses accesses the United States census 1% Public Use Microdata Samples (PUMS) from 1970, 1980 and 1990. The PUMS files contain more than 100 data items about households and more than 100 data items about persons. The 1990 1% PUMS contains more than one million household records and more than 2.5 million person records. Ulysses also accesses data from the 1982 China census which contains 25 data items and more than ten million person records.
Functionality Ulysses generates frequencies, means, summary percentages and standard deviations. Distinguishing features of Ulysses include:
- the ability to switch data sets during a session;
- simultaneous use of the same data set by many users;
- a simple user interface designed to be usable without manuals;
- access to online help;
- interactive keyword searching of data dictionaries;
- recoding of variables;
- selection of records using complex AND-OR criteria; and
- saving and automatic retrieval of output.
Related Services CIESIN/SEDAC also provide data extraction services that can be applied to the 1% or 5% U.S. PUMS files from 1980 or 1990 or March Current Population Survey (CPS) data from 1968-1992. If you are interested in extracts from the PUMS or CPS files, contact User Services at at ciesin.info@ciesin.org or call (517)797-2727 between 8 a.m. and 5 p.m. U.S. eastern time, Monday through Friday.

These services are provided to you by the Socioeconomic Data and Applications Center (SEDAC) housed at the Consortium for International Earth Science Information Network (CIESIN). Please visit our web space at:
CIESIN URL: http://www.ciesin.org/

SEDAC URL: http://sedac.ciesin.org/

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