itemcor {KernSmoothIRT} | R Documentation |
Returns a vector of point polyserial correlations for each item.
itemcor(x)
x |
a |
Ramsay, J.O. (2000). TestGraf: A program for the graphical analysis of multiple choice test and questionnaire data.
Silverman, B.W. (1986). Density Estimation for Statistics and Data Analysis. Chapman & Hall, London.