The purpose of this package is to factor out logic
and math common to Item Factor Analysis fitting, diagnostics, and
analysis. It is envisioned as core support code suitable for more
specialized IRT packages to build upon. Complete access to optimized C
functions are made available with R_RegisterCCallable().
This software is described in Pritikin & Falk (2020) <doi:10.1177/0146621620929431>.

Response Probability Functions

package-ubuntu-20.04-r-4.0.5#cran#rpf-1.0.11

These data from Wright &amp; Stone (1979, p. 31) were fit with
Winsteps 3.73 using a 1PL model (slope fixed to 1).

Wright, B. D. &amp; Stone, M. H. (1979). Best Test Design: Rasch Measurement. Univ of Chicago Social Research.

package-ubuntu-20.04-r-4.0.5#cran#rpf-1.0.11#docs#kct

kct

Description

References

Examples

rpf

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