These data files are taken from the September 10, 2014 version of SESTAT maintained at NSF. 


  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.
  EPSD13.XPT - 2013 SDR data in SAS XPORT format
  EPSD13.DAT - 2013 SDR data in ASCII format
  EPSD13.sas7bdat - 2013 SDR data in SAS for Windows format
  FPSD13.SAS - a text file containing SAS FORMAT assignment statements
  LPSD13.SAS - a text file containing SAS LABEL assignment statements
  PPSD13.SAS - a text file containing SAS PROC FORMAT statements
  LdPSD13.SPS - a text file containing SPSS syntax for loading EPSD13.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.
  LAYOUTPSD13.TXT - Input Layout for EPSD13.DAT
  Documentation and Related Files
  2013_NSDR_User_Annotated.PDF   - Survey instrument, 2013 SDR 
  PPSD13.PDF  - Summary variable codebook in Adobe PDF format.
  (Refer to for complete variable 
   documentation or if you do not have a copy of the Adobe PDF Reader).
  DPSD13.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:
  Flora Lan
  National Science Foundation
  Division of Science Resources Statistics
  4201 Wilson Boulevard, Suite 965
  Arlington, VA 22230
  703-292-4758 [phone]
  703-292-9092 [fax]