pub struct ZTest {
pub successes_1: u64,
pub trials_1: u64,
pub successes_2: u64,
pub trials_2: u64,
}Expand description
Two-proportion z-test for comparing conversion rates
Tests the null hypothesis that two proportions are equal. Used to compare conversion rates between control and treatment groups.
Fields§
§successes_1: u64Successes in group 1
trials_1: u64Total trials in group 1
successes_2: u64Successes in group 2
trials_2: u64Total trials in group 2
Implementations§
Source§impl ZTest
impl ZTest
Sourcepub fn new(
successes_1: u64,
trials_1: u64,
successes_2: u64,
trials_2: u64,
) -> Self
pub fn new( successes_1: u64, trials_1: u64, successes_2: u64, trials_2: u64, ) -> Self
Create a new z-test
Sourcepub fn proportions(&self) -> (f64, f64)
pub fn proportions(&self) -> (f64, f64)
Calculate sample proportions
Sourcepub fn pooled_proportion(&self) -> f64
pub fn pooled_proportion(&self) -> f64
Calculate pooled proportion
Sourcepub fn z_statistic(&self) -> Result<f64>
pub fn z_statistic(&self) -> Result<f64>
Calculate z-statistic
Sourcepub fn confidence_interval(&self, confidence: f64) -> Result<(f64, f64)>
pub fn confidence_interval(&self, confidence: f64) -> Result<(f64, f64)>
Calculate confidence interval for difference in proportions
Sourcepub fn effect_size(&self) -> f64
pub fn effect_size(&self) -> f64
Calculate effect size (Cohen’s h)
Trait Implementations§
Auto Trait Implementations§
impl Freeze for ZTest
impl RefUnwindSafe for ZTest
impl Send for ZTest
impl Sync for ZTest
impl Unpin for ZTest
impl UnsafeUnpin for ZTest
impl UnwindSafe for ZTest
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