agree: Simple and extended percentage agreement

Description Usage Arguments Details Value Author(s) See Also Examples

Description

Computes simple and extended percentage agreement among raters.

Usage

1
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).

Details

Missing data are omitted in a listwise way.
Using extended 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.

Value

A list with class '"irrlist"' containing the following components:

$method

a character string describing the method applied for the computation of interrater reliability.

$subjects

the number of subjects examined.

$raters

the number of raters.

$irr.name

a character string specifying the name of the coefficient.

$value

coefficient of interrater reliability.

Author(s)

Matthias Gamer

See Also

kappa2, kappam.fleiss, kappam.light

Examples

1
2
3
data(video)
agree(video)     # Simple percentage agreement
agree(video, 1)  # Extended percentage agreement

Example output

Loading required package: lpSolve
 Percentage agreement (Tolerance=0)

 Subjects = 20 
   Raters = 4 
  %-agree = 35 
 Percentage agreement (Tolerance=1)

 Subjects = 20 
   Raters = 4 
  %-agree = 90 

irr documentation built on May 30, 2017, 3:13 a.m.