Description Usage Arguments Value Examples
This function takes output from difests and filters it to a set of loadings or intercepts. User can specify a vector of items that show significant DIF for intercepts (uniform) or loadings (non-uniform) for later enhanced plotting
1 | getdifests(out, type = NULL, sig.uni = NULL, sig.nonuni = NULL)
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out |
output df of measurement model parameters from difests |
type |
whether user wants to extract loading ("loads") or interpts "ints" |
sig.uni |
an optional character vector of item #s that show significant uniform DIF |
sig.nonuni |
an optional character vector of item #s that show significant non-uniform DIF |
a filtered data frame ready for ggplot
1 | ests <- getdifests(out, type = "loads", sig.nonuni = sig.nonuni)
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