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

Computes simple and extended percentage agreement among raters.

1 | ```
agree(ratings, tolerance=0)
``` |

`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). |

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.

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. |

Matthias Gamer

`kappa2`

,
`kappam.fleiss`

,
`kappam.light`

1 2 3 |

```
Loading required package: lpSolve
Percentage agreement (Tolerance=0)
Subjects = 20
Raters = 4
%-agree = 35
Percentage agreement (Tolerance=1)
Subjects = 20
Raters = 4
%-agree = 90
```

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