`dataFrame.column.encode — dummies()`

Description

The dummies() method of the encode object returns a one-hot encoded representation of the selected column.

Signature

dataFrame.columns(columnName).encode.dummies()

Scope: dataFrame
Family: encode
Returns: array

Argument

columnName (string): The name of the column containing the values to encode.

Returns

masks ( array[] ): An array containing the generated dummy columns.

Example

// encode values from a column of the dataFrame to dummy columns
var masks = dataFrame.column('col_1').encode.dummies();

// add dummy columns to the dataFrame
df.columns.add(masks);