Guide to the Data Files Federal Support Survey: Fiscal Year 1996 (NSF 98-324) This Guide to the data files documents the data availability, distribution, and code structure utilized in the Federal support survey. Contents Data Availability, Types, and Distribution Overview Data Files Public-Use, Archival, and Special-Purpose Files Codes Used on Data Files Additional Services and Resources Publications Institutional Profiles Computer-Aided Science Policy Analysis and Research (CASPAR) Special-Purpose Statistical Tables Data Format and History Data Collection Practices Population Size and Structure Survey Populations Since 1971 Data Elements Obligations S&E Fields Data Element Availability by Year Federal Agency Codes S&E Field Codes Data File Record Structures Institution Header Records Data Records Data Availability by Year Data Limitations Confidentiality and Data Use Considerations