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Fits the Rasch model for dichotomous data using eRm, and conducts a PCA of residuals to get eigenvalues.

Source: R/easyRasch.R
RIrmPCA.Rd

Fits the Rasch model for dichotomous data using eRm, and conducts a PCA of residuals to get eigenvalues.

Usage

RIrmPCA(dfin, no.table, fontsize = 15)

Arguments

dfin

Dataframe with item data only

no.table

Set to TRUE to avoid output of table

fontsize

Set font size