## Class: `Kendall` kendall, rank, correlation, class, public, fields, js, new, x, number, y, twosided # Kendall Rank Correlation (τ) ## Class: `Kendall` **Constructor** ```js new Kendall({ X: number[], Y: number[] }, twoSided=true) ``` ### Public fields - `tau: number` - `z: number` – normal approximation for significance - `p: number` – p‑value (two‑sided by default) - `t: number` – alias of `z` (for consistency with other tests) - `df: number` – `Infinity` (normal approximation)