unidimensionality function

Unidimensionality Check

This function checks the unidimensionality status using the confirmatory factor analysis.

check.unidim(x, is.polychor = TRUE)

Arguments

• x: The dataset of responses.
• is.polychor: A boolean parameter to set whether the dataset is categorical or not.

Returns

A list of the CFA output and the some of the goodness-of-fit indices (i.e., cfi, tli, rmsea, and srmr)