@@ -59,7 +59,7 @@ |
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| 59 | 59 | * |
| 60 | 60 | * @param array $rightData |
| 61 | 61 | * @param array $hypothesisData |
| 62 | - * @return int |
|
| 62 | + * @return double |
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| 63 | 63 | * @throws IllegalArgumentException |
| 64 | 64 | */ |
| 65 | 65 | public static function r2(array $rightData, array $hypothesisData) |