Exercise

One model per category

The model you ran on the whole dataset fits some parts of the data better than others. It's worth taking a look at what happens when you run a linear model on different parts of the dataset separately, to see if each model agrees or disagrees with the others.

taiwan_real_estate is available.

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Filter taiwan_real_estate for rows where house_age_years is "0 to 15", assigning to taiwan_0_to_15.
Repeat this for the "15 to 30" and "30 to 45" house age categories.

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Instructions 1/2

Exercise