`cohens_kappa()` is a metric scoring function that returns the Cohen's Kappa statistic. Not an exported function.
cohens_kappa(TP, TN, FP, FN)
| TP | - [scalar] True Positives |
|---|---|
| TN | - [scalar] True Negatives |
| FP | - [scalar] False Positives |
| FN | - [scalar] False Negatives |
[scalar] Cohen's Kappa statistic
This function takes integer counts for True Positive `TP`, True Negative `TN`, False Positive `FP`, and False Negative `FN` values and returns the Cohen's Kappa. This statistic measure the agreement between observations and predictions. See: https://en.wikipedia.org/wiki/Cohen