`dataFrame.column.fill — mean()`

Description

The mean() method of the fill object fills missing values in the selected column with the arithmetic mean of the column.

Signature

dataFrame.column(columnName).fill.mean()

Scope: column
Family: fill
Returns: mask

Argument

columnName (string): The name of the column to be fullfiled.

Returns

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

Example

// fill missing value in the column 'revenue' with column mean
var mask = dataFrame.column('revenue').fill.mean();

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