Session Ready
Exercise

Calculating residuals from regression

Your previous model that predicts the log of sales from the log of price along with holiday and promotion effects is saved in the model_MET_hi_full object. Your data frame that has the data that built this model is in the object MET_hi_train. Now let's see where we went wrong.

Instructions
100 XP
  • Calculate the residuals from the model model_MET_hi_full and save as MET_hi_full_res.
  • Convert these residuals into an xts object. Remember your date index is stored as dates_train.