rpf (version 0.8)

rpf.1dim.moment: Calculate cell moments

Description

Popular moments include 2 (variance) and 4 (kurtosis).

Usage

rpf.1dim.moment(spec, params, scores, m)

Arguments

spec

list of item models

params

data frame of item parameters, 1 per row

scores

model derived person scores

m

which moment

Value

• moment matrix