Function rv::misc::x2_test [−][src]
pub fn x2_test(f_obs: &[u32], ps: &[f64]) -> (f64, f64)
Χ2 (Chi-squared) test.
Example
Test whether the observed counts were generated uniformly.
use rv::misc::x2_test; // The observed counts/frequencies let f_obs: Vec<u32> = vec![28, 31, 40, 35]; // The probabilty with which each entry should occur let ps: Vec<f64> = vec![0.25; 4]; let (stat, p) = x2_test(&f_obs, &ps); assert!(p > 0.05);