Question: The clothing retailer problem. The scatterplot and histogram on page 27-59 show the residuals from the model in Example 27.20 with all explanatory variables, some
The clothing retailer problem. The scatterplot and histogram on page 27-59 show the residuals from the model in Example 27.20 with all explanatory variables, some interaction terms, and quadratic terms. Comment on both plots. Do you see any reason for concern in using this model for inference?
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