The data reformatting process takes place in 7 phases |
The data reformatting process takes place in 7 phases:
1) The keyword file name is obtained from the DOS command line, or, if none is given, Facform requests one by a screen prompt:
Keyword file name:
Any other keyword commands entered on the DOS command line are also stored.
2) The keyword file is read into memory. Some keywords, such as $Facets=, are processed immediately. Any $Spec= instructions are performed, and their contents written to the output specification file.
3) The input Facets specification file (if any) is processed. Elements numbers, names and other details (from Labels=) are stored in memory; other specifications are copied into the output specification file.
4) The input data file is read and all labels identified. They are matched with or added to the labels already stored in memory. Any $Text= instructions are performed, and their contents written to the output specification file.
5) Ordinal numbers are assigned to any labels lacking them, and Labels= followed by all element information are written to the output specification file.
6) The input data file is read through again, and the data converted into Facets-format data records and written to the data output file. Data compression of element ranges and identical replications occurs, where feasible.
7) Finally, summary statistics for the data formatting run are displayed on screen.
Help for Facform Rasch Measurement Software: www.winsteps.com. Author: John Michael Linacre
Facets Rasch measurement software.
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Freeware student/evaluation Minifac download Winsteps Rasch measurement software. Buy for $149. & site licenses. Freeware student/evaluation Ministep download |
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Forum: | Rasch Measurement Forum to discuss any Rasch-related topic |
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Questions, Suggestions? Want to update Winsteps or Facets? Please email Mike Linacre, author of Winsteps mike@winsteps.com |
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State-of-the-art : single-user and site licenses : free student/evaluation versions : download immediately : instructional PDFs : user forum : assistance by email : bugs fixed fast : free update eligibility : backwards compatible : money back if not satisfied Rasch, Winsteps, Facets online Tutorials |
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Coming Rasch-related Events | |
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May 17 - June 21, 2024, Fri.-Fri. | On-line workshop: Rasch Measurement - Core Topics (E. Smith, Winsteps), www.statistics.com |
June 12 - 14, 2024, Wed.-Fri. | 1st Scandinavian Applied Measurement Conference, Kristianstad University, Kristianstad, Sweden http://www.hkr.se/samc2024 |
June 21 - July 19, 2024, Fri.-Fri. | On-line workshop: Rasch Measurement - Further Topics (E. Smith, Winsteps), www.statistics.com |
Aug. 5 - Aug. 6, 2024, Fri.-Fri. | 2024 Inaugural Conference of the Society for the Study of Measurement (Berkeley, CA), Call for Proposals |
Aug. 9 - Sept. 6, 2024, Fri.-Fri. | On-line workshop: Many-Facet Rasch Measurement (E. Smith, Facets), www.statistics.com |
Oct. 4 - Nov. 8, 2024, Fri.-Fri. | On-line workshop: Rasch Measurement - Core Topics (E. Smith, Winsteps), www.statistics.com |
Jan. 17 - Feb. 21, 2025, Fri.-Fri. | On-line workshop: Rasch Measurement - Core Topics (E. Smith, Winsteps), www.statistics.com |
May 16 - June 20, 2025, Fri.-Fri. | On-line workshop: Rasch Measurement - Core Topics (E. Smith, Winsteps), www.statistics.com |
June 20 - July 18, 2025, Fri.-Fri. | On-line workshop: Rasch Measurement - Further Topics (E. Smith, Facets), www.statistics.com |
Oct. 3 - Nov. 7, 2025, Fri.-Fri. | On-line workshop: Rasch Measurement - Core Topics (E. Smith, Winsteps), www.statistics.com |
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