This example examines the relationship between two raters. The data gives results from three people (raters) rating fifty parts three times each. Examine the relationship between raters A and B.
1. Select Help > Sample Data Library and open Attribute Gauge.jmp.
2. Select Analyze > Fit Y by X.
3. Select A and click Y, Response.
4. Select B and click X, Factor.
5. Click OK.
6. Click the red triangle next to Contingency Analysis of A By B and select Agreement Statistic.
Figure 7.14 Example of the Agreement Statistic ReportĀ
You notice that the agreement statistic of 0.86 is high (close to 1) and the p-value of <.0001 is small. This reinforces the high agreement seen by looking at the diagonal of the contingency table. Agreement between the raters occurs when both raters give a rating of 0 or both give a rating of 1.