More information about data formats is available.
Documentation files are automatically included with download.
The file size listed is the uncompressed size of all files/formats for the dataset/study.
The "Other Data" column indicates data formats other than SAS, SPSS, or Stata, such as qualitative data, zipped bundles, or executable files.
Interested in using R to analyze data? ICPSR has prepared some FAQs related to using R with ICPSR data.
Title: CBS News/New York Times Monthly Poll #1, August 2006