The formal S4 class for checks. This class contains transformed version of the raw response data as well as summaries of the checks.
Object created by a call to function ConjointChecks
.
N
:matrix containing the number of respondents at each item/ability intersection
n
:matrix containing the number of correct responses at each item/ability intersection
Checks
:List containing information about each checked 3-matrix
tab
:matrix containing information about the detected violations at each item/ability intersection
means
:vector containing weighted and unweighted means for the detected violations (where weights are the number of individuals at each ability level)
check.counts
:matrix giving the number of times a item/ability cell was sampled
Ben Domingue ben.domingue@gmail.com
Objects of class checks
contains all information returned by
ConjointChecks
.
ConjointChecks
, summary.checks
, plot.checks