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Last data update: 2014.03.03
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R: Plot item information in the latent distribution
| plotInformation | R Documentation |
Plot item information in the latent distribution
Description
For multidimensional items, you will need to supply a basis
vector. This vector is normalized to unit length.
Usage
plotInformation(grp, ..., width = 3, showTotal = FALSE, basis = c(1))
Arguments
grp |
an IFA group
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... |
Not used. Forces remaining arguments to be specified by name.
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width |
the plot will span from -width to width
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showTotal |
whether to plot the total item information
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basis |
the basis vector (for multidimensional items)
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Results
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providing 
.