als-statistics
Version:
Modular JS statistics toolkit for Node.js and the browser: descriptive stats, correlations (Pearson/Spearman/Kendall), t-tests & ANOVA (Student/Welch), reliability (Cronbach’s alpha), regression (linear/logistic), clustering (DBSCAN/HDBSCAN), and table/co
28 lines (19 loc) • 855 B
Markdown
<title>Paired T‑Test</title>
<description>Paired (dependent) samples t‑test.</description>
<keywords>paired, t, test, class, pairedttest, returned, comparemeans.paired, public, fields, js, new, number</keywords>
# Paired T‑Test
Paired (dependent) samples t‑test.
## Class: `PairedTTest` (returned by `CompareMeans.paired`)
**Constructor**
```js
new PairedTTest({ A: number[], B: number[] })
```
- Requires **at least two** arrays; internally trims to the **same length**.
### Public fields
- `t: number` – t statistic.
- `df: number` – degrees of freedom (`n - 1`).
- `p: number` – two‑sided p‑value (Student t).
- `meanDelta: number` – mean of pairwise differences.
- `sdDelta: number` – sample SD of differences.
- `n: number` – number of paired observations.
- `diffs: number[]` – raw pairwise deltas (A[i] − B[i]).