@@ -136,7 +136,7 @@ |
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136 | 136 | |
137 | 137 | /** |
138 | 138 | * @param array $records |
139 | - * @return DecisionTreeLeaf[] |
|
139 | + * @return null|DecisionTreeLeaf |
|
140 | 140 | */ |
141 | 141 | protected function getBestSplit($records) |
142 | 142 | { |