Plot item information in the latent distribution
For multidimensional items, you will need to supply a basis vector. This vector is normalized to unit length.
plotInformation(grp, ..., width = 3, showTotal = FALSE, basis = c(1))
grp |
an IFA group |
... |
Not used. Forces remaining arguments to be specified by name. |
width |
the plot will span from -width to width |
showTotal |
whether to plot the total item information |
basis |
the basis vector (for multidimensional items) |
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