ksIRT - kernel smoothing in Item Response Theory

Description

This function applies only when the groups argument is specified. It returns a vector with each subjects expected test score.

Usage

subjETSDIF(x)

Arguments

References

Ramsay, J.O. (2000). TestGraf: A program for the graphical analysis of multiple choice test and questionnaire data. http://www.psych.mcgill.ca/faculty/ramsay/ramsay.html.

Silverman, B.W. (1986). Density Estimation for Statistics and Data Analysis. Chapman & Hall, London.

Results