A Program for Iterative Proportional Fitting of Two-Way Arrays
- Author(s):
- Haberman, Shelby J.
- Publication Year:
- 2016
- Report Number:
- RM-16-04
- Source:
- ETS Research Memorandum
- Document Type:
- Report
- Page Count:
- 13
- Subject/Key Words:
- Item Discrimination (Tests), Contingency Tables, Score Linking, Item Calibration, FORTRAN (Computer program language)
Abstract
A Fortran 2003 program implements iterative proportional fitting of two-way arrays in the special case of incomplete two-way arrays. Although the algorithm can be employed in the traditional context of contingency tables, the application is intended for use in simultaneous linking of item discrimination parameters.
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