update docs example

shizonic · May 31, 2016 · d19490d · d19490d
1 parent 7ab1ae9
commit d19490d
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/docs/machine-learning/preprocessing/imputation-missing-values.md b/docs/machine-learning/preprocessing/imputation-missing-values.md
@@ -23,6 +23,9 @@ $imputer = new Imputer(null, new MedianStrategy(), Imputer::AXIS_ROW);
 ## Example of use
 
 ```
+use Phpml\Preprocessing\Imputer;
+use Phpml\Preprocessing\Imputer\Strategy\MeanStrategy;
+
 $data = [
     [1, null, 3, 4],
     [4, 3, 2, 1],