summary.pairwise.item.fit

object of class<code>"pairwise.item.fit", "data.frame" </code>

object

logical with default <code>sort=FALSE</code> - if set to <code>sort=TRUE</code> items are ordered by absolute FIT.

sort

character passing the type of Fit-Statistic to sort by - ignored when <code>sort=FALSE</code>. valid options are: <code>"INFIT.ZSTD"</code> (default), <code>"OUTFIT.MSQ"</code>, <code>"OUTFIT.ZSTD"</code> and <code>"INFIT.MSQ"</code>.

see <code><a rd-options="" href="/link/order?package=pairwise&version=0.3.1" data-mini-rdoc="pairwise::order">order</a></code>

decreasing

other parameters passed trough - see <code><a rd-options="" href="/link/order?package=pairwise&version=0.3.1" data-mini-rdoc="pairwise::order">order</a></code>


S3 summary method for object of class<code>c("pairwise.item.fit", "data.frame" )</code>


Performs the explicit calculation
-- not estimation! -- of the Rasch item parameters for dichotomous and
polytomous item responses, using a pairwise comparison approach. Person
parameters (WLE) are calculated according to Warm's weighted likelihood
approach.

summary.pairwise.item.fit: S3 Summary for Item-Fit-Statistics

Description

Usage

Arguments