hi, am Freitag, 15. August 2008 (18:21) schrieb meik michalke: > i'm thinking about including dialogs for the eRm package as well.
and that's exactly what i've done. the plugin now uses both the ltm and eRm package functions, depending on the desired model to fit. it also provides individual dialogs for each available model with their corresponding options: (analysis -> irt ->) dichotomous data: - rasch model fit - two parameter logistic model fit - birnbaum three parameter model fit - linear logistic test model fit polytomous data: - graded response model fit - rating scale model fit - partial credit model fit - linear rating scale model fit - linear partial credit model fit this rendered the previous wizard mode useless, so i've removed it completely. a help page for each dialog is provided, though. and i've altered the library() calls to require(), too. in case you're keen on fitting some models: o http://reaktanz.de/stuff/R/irt_plugin-0.02.tar.bz2 viele gruesse :: m.eik -- dipl. psych. meik michalke institut f"ur experimentelle psychologie abt. f"ur diagnostik und differentielle psychologie heinrich-heine-universit"at
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