`dataFrame.column.stat — mean()`

Description

The mean() method of the stat object returns the arithmetic mean of the values in the selected column.

Signature

dataFrame.column(columnName).stat.mean()

Scope: column
Family: stat
Returns: number

Argument

columnName (string): The name of the column from which to get the mean value.

Returns

mean (number): The arithmetic mean.

Example

// get the mean of a column of the dataFrame
var mean = dataFrame.column('revenue').stat.mean();

// log the mean
notebook.log(mean);