`dataFrame.column.num — abs()`

Description

The abs() method of the num object returns the absolute values of the selected column.

Signature

dataFrame.column(columnName).num.abs()

Scope: dataFrame
Family: num
Returns: array

Argument

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

Returns

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

Example

// transform values from a column of the dataFrame to absolute values
var mask = dataFrame.column('values').num.abs();

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