`dataFrame.rows — sample()`

Description

The sample() method of the rows object keeps a random sample of rows based on the specified proportion.

Signature

dataFrame.rows.sample(proportion)

Scope: dataFrame
Family: rows
Returns: mutates

Argument

proportion (number): A value between 0 and 1 representing the proportion of rows to keep. (Default: 0.1)

Example

// adjust the data rows of a dataFrame to a sample of 10%
dataFrame.rows.sample(0.1);