`dataFrame.rows — keepEvery()`

Description

The keepEvery() method of the rows object keeps every nth row and removes all others.

Signature

dataFrame.rows.keepEvery(step)

Scope: dataFrame
Family: rows
Returns: mutates

Argument

step (number): The interval between rows to keep.

Example

// keep every 2 rows of a dataFrame
dataFrame.rows.keepEvery(2);