Thurstonian CFA and Thurstonian IRT Modeling


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Documentation for package ‘ThurMod’ version 1.1.11

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blocksort Sorts the blocks in ascending numbering
count.combn Count paired comparisons
count.xblocks Determine the number of extra blocks
designA Create the Thurstonian design matrix for paired comparison and ranking data.
FC Paired comparisons of $N=15$ items from one factor/trait (Thurstonian modeling)
FC12 Paired comparisons of $N=12$ items from one factor/trait (Thurstonian modeling)
FC_raw Raw ranking data of $N=15$ items from three factors/traits (Thurstonian modeling)
FC_scores Scores of the data set 'FC' from Mplus.
fit.correct Correct degree of freedom and fit indices in Thurstonian block models
fit.lavaan Performs lavaan estimation of the given model.
fit.mplus Performs Mplus estimation of the given model.
get.scores Estimate factor scores based on Genuine Likelihood
get.xblocks Get extra blocks in a Thurstonian design, that links all blocks.
get.xblocks.any Get extra blocks in a Thurstonian design, that links as few blocks as possible.
i.name Creates names for paired comparisons of a given design.
metablock Find all general blocks
mod.matrices Create model matrices for Thurstonian modeling
pair.combn Determine all paired comparisons
rankA Determine the rank of the design matrix defined by the blocks.
read.mplus Reads results from Mplus output file.
recode Recode variables.
redundancies Determine the number of redundancies
reliabiltyFS Calculate reliability estimate for factor scores.
sim.data Create data based on Thurstonian model equations
syntax.lavaan Create lavaan syntax for Thurstonian forced choice analysis
syntax.mplus Create Mplus syntax for Thurstonian forced choice designs.