np.dichplot.np.dich.RdThis function plots nonparametric item response
functions estimated with dich.np.
# S3 method for np.dich plot(x, b, infit=NULL, outfit=NULL, nsize=100, askplot=TRUE, progress=TRUE, bands=FALSE, plot.b=FALSE, shade=FALSE, shadecol="burlywood1", ...)
| x | Object of class |
|---|---|
| b | Estimated item difficulty (threshold) |
| infit | Infit (optional) |
| outfit | Outfit (optional) |
| nsize | XXX |
| askplot | Ask for new plot? |
| progress | Display progress? |
| bands | Draw confidence bands? |
| plot.b | Plot difficulty parameter? |
| shade | Shade curves? |
| shadecol | Shade color |
| ... | Further arguments to be passed |
For examples see np.dich.