oversampling

Over and under sample multi-class training examples (rows) in a pandas dataframe to specified values Question: I would like to make a multi-class pandas dataframe more balanced for training. A simplified version of my training set looks as follows: Imbalanced dataframe: counts for class 0, 1 and 2 are respectively 7, 3 and 1 animal …

Using Smote with Gridsearchcv in Scikit-learn Question: I’m dealing with an imbalanced dataset and want to do a grid search to tune my model’s parameters using scikit’s gridsearchcv. To oversample the data, I want to use SMOTE, and I know I can include that as a stage of a pipeline and pass it to gridsearchcv. …