# Kappa Calculator

Cohen's Kappa is used to measure the degree of agreement between any two methods. Here it is measured between A and B. The index value is calculated based on this measure. Enter the number for which it agrees to x and enter the number for which no agrees, the cohen's kappa index value is displayed.

## Cohen's Kappa Index Value Calculation

Code to add this calci to your website

#### Formula:

k = (Pr(a) - Pr(e)) / (1-Pr(e))
**Where,**
Pr(a) - Relative observed agreement,
Pr(e) - Hypothetical probability of chance agreement,
k - Cohen's kappa index value.