Fix invalid k letter in Poisson formula docs.

For some reason, these formulae used a mixture of `k` and `x` for the same parameter. I haven't checked whether this problem is spread more widely within the docs though.
statrs-dev · Aug 7, 2023 · 80c1fd4 · 80c1fd4
1 parent 5411ba7
commit 80c1fd4
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/distribution/poisson.rs b/src/distribution/poisson.rs
@@ -229,7 +229,7 @@ impl Discrete<u64, f64> for Poisson {
     /// # Formula
     ///
     /// ```ignore
-    /// (λ^k * e^(-λ)) / x!
+    /// (λ^x * e^(-λ)) / x!
     /// ```
     ///
     /// where `λ` is the rate
@@ -244,7 +244,7 @@ impl Discrete<u64, f64> for Poisson {
     /// # Formula
     ///
     /// ```ignore
-    /// ln((λ^k * e^(-λ)) / x!)
+    /// ln((λ^x * e^(-λ)) / x!)
     /// ```
     ///
     /// where `λ` is the rate