`dataFrame.column.num — roundMultiple()`

Description

The roundMultiple() method of the num object returns the values of the selected column rounded to the nearest multiple of the specified value.

Signature

dataFrame.column(columnName).num.roundMultiple(decimals)

Scope: dataFrame
Family: num
Returns: array

Argument

columnName (string): The name of the column containing the values to round.
multiple (number): The multiple to which values should be rounded.

Returns

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

Example

// round values from a column of the dataFrame to the nearest multiple
var mask = dataFrame.column('values').num.roundMultiple(10);

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