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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