Scale-location

Here are normal scale-location plots of the previous two models. That is, they show the size of residuals versus fitted values.

Original model (n_clicks versus n_impressions):

Transformed model (n_clicks ** 0.25 versus n_impressions ** 0.25):

Look at the numbers on the y-axis and the slope of the trend line. Which statement is true?

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Introduction to Regression with statsmodels in Python

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