SDA: Survey Documentation and Analysis
on the World Wide Web
General Information
The Computer-Assisted Survey Methods Program (CSM)
at the University of California, Berkeley,
develops and supports
the SDA software package in order to facilitate
the documentation, analysis, and distribution
of survey data on the World Wide Web.
How to Try Out SDA
To access a demonstration data archive,
direct your browser to the following URL:
http://sda.berkeley.edu
Current Features (Version 3.2)
- Browse the documentation for a dataset or a questionnaire
- Introduction files, appendices, indexes to variables
- Full description of each variable
- Data analysis capabilities
- Frequencies and crosstabulations (including charts)
- Comparisons of means (with complex std errors)
- Correlation matrix
- Comparisons of correlations
- Regression (ordinary least squares)
- Logit and probit regression
- List values of individual cases
- Create new variables
- Recode one or more variables
- Compute a new variable
- List and/or delete newly created variables
- Make a user-specified subset of variables and/or cases,
and download data files and documentation
- ASCII data file for the subset
- SAS, SPSS, Stata, or DDI (XML) data definitions
- Full documentation for the subset
For information on the system requirements to run SDA
see the
SDA System Requirements page.
For information on obtaining the SDA software
to set up your own SDA Web site,
see the following URL:
http://sda.berkeley.edu/info/GetSDA.html
For obtaining SDA data services,
see:
http://sda.berkeley.edu/info/services-s.html
For additional information or to offer suggestions or comments,
contact:
Tom Piazza
Tel: (510) 642-6569
e-mail: piazza@csm.berkeley.edu