Merge pull request scikit-learn#5800 from fabioticconi/patch-1

Fixed transformation of test set via RobustScaler in example

Author: TomDLT

examples/preprocessing/plot_robust_scaling.py

@@ -52,7 +52,7 @@
 
 robust_scaler = RobustScaler()
 Xtr_r = robust_scaler.fit_transform(X_train)
-Xte_r = robust_scaler.fit_transform(X_test)
+Xte_r = robust_scaler.transform(X_test)
 
 
 # Plot data