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added observation and z-score to results, emojis

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randogoth 2025-01-17 13:27:34 +02:00
parent 10ff2123ac
commit a8c74caf90
19 changed files with 121 additions and 98 deletions
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6
src/uniformity/uncorrelation.rs
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@ -6,12 +6,12 @@ impl Onod {
/// UnCorrelation randomness test
/// Computes the Pearson correlation between the sequence and its shifted version, returning a p-value.
pub fn un_correlation(input: &[u8]) -> f64 {
pub fn un_correlation(input: &[u8]) -> (f64, f64, f64) {
let samples = input.iter().map(|&x| x as i32).collect::<Vec<i32>>();
if samples.len() < 2 {
return 0.0; // Default to perfect randomness for insufficient data
return (-1.0, 0.0, 1.0); // Default to perfect randomness for insufficient data
}
// Convert samples to f64 for correlation computation
@ -51,7 +51,7 @@ impl Onod {
let normal_dist = Normal::new(0.0, 1.0).expect("Failed to create Normal distribution");
let p_value = 2.0 * (1.0 - normal_dist.cdf(t_stat.abs()));
p_value
(correlation, t_stat, p_value)
}
}