Oefenweb / php-statistics

src/Statistics.php

Doc Comments +1 added lines, -1 removed lines

@@ -173,7 +173,7 @@
      *
      * @param array $values The input values
      * @param bool $sample Whether or not to compensate for small samples (n - 1), defaults to true
-     * @return float|int The variance of values as an integer or float
+     * @return double The variance of values as an integer or float
      * @throws \Oefenweb\Statistics\StatisticsError
      */
     public static function variance($values, $sample = true)

Indentation +1 added lines, -1 removed lines

@@ -162,7 +162,7 @@
 
         if (!is_int($mean) && !is_float($mean))
         {
-          throw new StatisticsError('This function requires the second arguement to be an integer or a float');
+            throw new StatisticsError('This function requires the second arguement to be an integer or a float');
         }
 
         return pow($value - $mean, 2);