Exercise

Have you performed data preprocessing step?

As discussed before, you should perform some data pre processing steps for both train and test dataset before jumping into model building exercise. Here are a few things you need to perform at the minimum: * Missing value imputation * Outlier treatment * Label encoding for character variables * Algorithm selection

Which of the following steps have you performed till now with both train and test data set?

Instructions

50 XP

Possible Answers

Impute missing values of all variables
Treat outlier and influential observations
Label encoding for character variables
All of the above