PUBLIC USE 2008 SDR DATA FILES These data files are taken from the October 24, 2011 version of SESTAT maintained at NSF. DESCRIPTION OF FILES -------------------- Data and Programs ----------------- The microdata are provided in various formats to facilitate their use with many software packages. The principal data format that is supported by NSF is SAS. Technical support by NSF is limited to the data files and the SAS programs listed here. NSF does not provide support to users of SPSS or other packages, as SPSS and these other packages are not available at the agency. EPSD08.XPT - 2008 SDR data in SAS XPORT format EPSD08.DAT - 2008 SDR data in ASCII format EPSD08.sas7bdat - 2008 SDR data in SAS for Windows format FPSD08.SAS - a text file containing SAS FORMAT assignment statements LPSD08.SAS - a text file containing SAS LABEL assignment statements PPSD08.SAS - a text file containing SAS PROC FORMAT statements LdPSD08.SPS - a text file containing SPSS syntax for loading EPSD08.DAT (ASCII data) into SPSS NOTE: Technical support for SPSS users is not provided by NSF. The validity of this file has not been verified by NSF, as SPSS is not available at the agency. LAYOUTPSD08.TXT - Input Layout for EPSD08.DAT Documentation and Related Files ------------------------------- SDR08_PublicDataUser.PDF - Survey instrument, 2008 SDR PPSD08.PDF - Summary variable codebook in Adobe PDF format. (Refer to http://www.nsf.gov/statistics/sestat/variableinfo.cfm for complete variable documentation or if you do not have a copy of the Adobe PDF Reader). DPSD08.XLS - Data Dictionary Source/SAS name cross-walk file (EXCEL97 spreadsheet format) README.TXT - this read me file ----------------------------------------------------------------------------------- If you have any problems opening, accessing or loading these files, please contact: Steve Proudfoot National Science Foundation National Center for Science and Engineering Statistics 4201 Wilson Boulevard, Suite 965 Arlington, VA 22230 703-292-4434 [phone] 703-292-9092 [fax] sproudfo@nsf.gov 2/20/2012