`dataFrame.column.num — pow()`

Description

The pow() method of the num object returns the values of the selected column raised to the specified power.

Signature

dataFrame.column(columnName).num.pow(exponent)

Scope: dataFrame
Family: num
Returns: array

Argument

columnName (string): The name of the column containing the values to raise.
exponent (number): The exponent to apply to each value.

Returns

mask ( number[] ): An array containing the transformed values.

Example

// raise valuesfrom a column of the dataFrame to the power of 2
var mask = dataFrame.column('values').num.pow(2);

// add values to the dataFrame
dataFrame.column('newValues').set(mask);