Computes simple and extended percentage agreement among raters.
Usage
agree(ratings, tolerance=0)
Arguments
ratings
n*m matrix or dataframe, n subjects m raters.
tolerance
number of successive rating categories that should be regarded as rater agreement (see details).
Value
A list with class '"irrlist"' containing the following components:
$methoda character string describing the method applied for the computation of interrater reliability.
$subjectsthe number of subjects examined.
$ratersthe number of raters.
$irr.namea character string specifying the name of the coefficient.
$valuecoefficient of interrater reliability.
Details
Missing data are omitted in a listwise way.
\crUsingextended percentage agreement (tolerance!=0) is only possible for numerical values. If tolerance equals 1, for example, raters differing by one scale degree are interpreted as agreeing.