magnus167/rustframe
1
0
Fork 0
mirror of https://github.com/Magnus167/rustframe.git synced 2025-11-19 13:56:09 +00:00
Code Issues Packages Projects Releases Wiki Activity

Improve comments for clarity in logistic regression, stats overview, PCA, correlation, descriptive statistics, and matrix tests

Browse Source
This commit is contained in:
Palash Tyagi
2025-08-02 21:59:22 +01:00
parent 5509416d5f
commit 7720312354
7 changed files with 22 additions and 78 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/compute/models/pca.rs
View File

@@ -44,11 +44,7 @@ mod tests {
#[test]
fn test_pca_basic() {
// Simple 2D data, points along y=x line
// Data:
// 1.0, 1.0
// 2.0, 2.0
// 3.0, 3.0
// Simple 2D data with points along the y = x line
let data = Matrix::from_rows_vec(vec![1.0, 1.0, 2.0, 2.0, 3.0, 3.0], 3, 2);
let (_n_samples, _n_features) = data.shape();
@@ -71,15 +67,7 @@ mod tests {
assert!((pca.components.get(0, 0) - 1.0).abs() < EPSILON);
assert!((pca.components.get(0, 1) - 1.0).abs() < EPSILON);
// Test transform
// Centered data:
// -1.0, -1.0
// 0.0, 0.0
// 1.0, 1.0
// Projected: (centered_data * components.transpose())
// (-1.0 * 1.0 + -1.0 * 1.0) = -2.0
// ( 0.0 * 1.0 + 0.0 * 1.0) = 0.0
// ( 1.0 * 1.0 + 1.0 * 1.0) = 2.0
// Test transform: centered data projects to [-2.0, 0.0, 2.0]
let transformed_data = pca.transform(&data);
assert_eq!(transformed_data.rows(), 3);
assert_eq!(transformed_data.cols(), 1);