You have a categorical variable "color" with three possible values: "red" , "blue" , and "green" . After applying one-hot encoding without dropping any categories, how many columns will be created?

Question

You have a categorical variable  "color"  with three possible values:  "red" ,  "blue" , and  "green" . After applying one-hot encoding without dropping any categories, how many columns will be created?

Accepted Answer

Three new binary columns, one for each color

Answer

One column with the original categorical labels preserved

Answer

One column containing integers 0, 1, or 2

Answer

Two columns, because one is redundant

Crowdly

You have a categorical variable "color" with three possible values: "red" , ...

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