What’s New in SAS/STAT 13.2


IRT Procedure

The IRT procedure is at production status in this release.

The POLYCHORIC option in the PROC IRT statement displays the polychoric correlation matrix.

The PLOTS=POLYCHORIC option in the PROC IRT statement displays a heat map for the polychoric correlation matrix.

The PLOTS=IIC option in the PROC IRT statement displays item characteristic curves.

The PLOTS=TIC in the PROC IRT statement displays a test information curve plot.