## Class: `Pearson` pearson, correlation, class, public, fields, js, new, x, number, y, population, false # Pearson Correlation ## Class: `Pearson` **Constructor** ```js new Pearson({ X: number[], Y: number[] }, population=false) ``` - When `population=true`, covariance uses population denominator. ### Public fields - `covariance: number` - `df: number` – `n - 2` - `r: number` – correlation coefficient in `[-1, 1]` - `t: number` – test statistic - `p: number` – two‑sided p‑value