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Remove Spearman correlation function and unused rank import from stats module

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This commit is contained in:
Palash Tyagi 2025-07-16 01:50:28 +01:00
parent 19c3dde169
commit a8a532f252
1 changed files with 1 additions and 11 deletions
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12
src/compute/stats/correlation.rs
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@ -1,4 +1,4 @@
use crate::compute::stats::{mean, mean_horizontal, mean_vertical, rank, stddev};
use crate::compute::stats::{mean, mean_horizontal, mean_vertical, stddev};
use crate::matrix::{Axis, Matrix, SeriesOps};
/// Population covariance between two equally-sized matrices (flattened)
@ -128,16 +128,6 @@ pub fn pearson(x: &Matrix<f64>, y: &Matrix<f64>) -> f64 {
cov / (std_x * std_y)
}
pub fn spearman(x: &Matrix<f64>, y: &Matrix<f64>) -> f64 {
assert_eq!(x.rows(), y.rows());
assert_eq!(x.cols(), y.cols());
let rank_x = rank(x);
let rank_y = rank(y);
pearson(&rank_x, &rank_y)
}
#[cfg(test)]
mod tests {
use super::*;