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2008 Jan 28
0
eRm: new version 0.9-6
...erson-item map (cf. Bond & Fox,
2007), i.e., a map
of locations of item (and threshold) parameters, and the distribution of
person parameters.
- new options in plotGOF():
'conf': draws confidence ellipses for item parameters, optionally single
items can be chosen interactively.
'ctrline': draws confidence bands along the diagonal line based on the
se's of the item parameters (cf. Wright &
Stone, 1999) .
plotGOF() now displays difficulty parameters (see below).
- unification of output for item parameter estimates: all plotting
functions and the function thresholds()...
2008 Jan 28
0
eRm: new version 0.9-6
...erson-item map (cf. Bond & Fox,
2007), i.e., a map
of locations of item (and threshold) parameters, and the distribution of
person parameters.
- new options in plotGOF():
'conf': draws confidence ellipses for item parameters, optionally single
items can be chosen interactively.
'ctrline': draws confidence bands along the diagonal line based on the
se's of the item parameters (cf. Wright &
Stone, 1999) .
plotGOF() now displays difficulty parameters (see below).
- unification of output for item parameter estimates: all plotting
functions and the function thresholds()...