dataFrame.column — clear()

Description

The clear() method of the column object clears all data values in the selected column while preserving the column name.

Signature

dataFrame.column(columnName).clear()
Scope
dataFrame
Family
column
Returns
mutates

Argument

columnName (string)
The name of the column to clear.

Example

// clear the values of a 'revenue' column of the dataFrame
df.column('revenue').clear();