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Appendix 3: Data conversion formats and storage requirements

Platform

Dataset Description

(Sept. 1993 Roper Report)

Storage Requirements (bytes)

Percentage of Original

All platforms

Original (column-binary)

2858400

 

IBM PC datasets

SAS dataset (full set of variables)

19464984

681

 

SAS XPORT dataset (full set of variables)

19144720

670

 

SAS dataset with 4 byte integers (full set of variables)

9978112

349

 

SAS dataset with 3 byte integers (full set of variables)

7528192

263

 

SAS dataset (partial set of variables)

8879360

311

 

SAS XPORT dataset (partial set of variables)

8843760

309

 

SAS dataset with 4 byte integers (partial set of variables)

4571392

160

 

SAS dataset with 3 byte integers (partial set of variables)

3471616

121

Mainframe datasets

SAS dataset (full set of variables)

23347200

817

 

SAS XPORT dataset (full set of variables)

19144720

670

 

SAS dataset (partial set of variables)

11059200

387

 

SAS XPORT dataset (partial set of variables)

8843760

309

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