Computer scienceData scienceInstrumentsPandasData preprocessing with pandas

Preprocessing categorical features with pandas

One-hot encoding

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One-hot encoding creates new binary columns for each unique category in the categorical variable. Choose what each binary column represents.

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The average value of the category in the dataset.

The frequency of the category in the dataset.

The presence (1) or absence (0) of the category in the dataset.

The rank of the category based on its occurrence in the dataset.

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