Ratio
Ratio is the division of two variables, used for continuous variables.
Ratio is also a method of feature combination. Feature combination is a supplement to make up for the lack of linear model which can not express nonlinear properties, which is helpful to improve the expression ability of linear model.
Note: in the ratio calculation, the denominator variable cannot have 0.
A |
|
1 |
=T("D://house_prices_train.csv") |
2 |
=A1.derive(MSSubClass/LotFrontage) |
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