skip to main content skip to footer

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.

Read More