`dataFrame.column.stat — elbow()`

Description

The elbow() method of the stat object returns the index of the elbow point in the values of the selected column.

Signature

dataFrame.column(columnName).stat.elbow({ sorted: false })

Scope: column
Family: stat
Returns: number

Arguments

columnName (string): The name of the column from which to calculate the differences.
options (object): Elbow detection options.

Option

sorted (boolean)

Indicates whether the values are already sorted in ascending order.

Sorted: true
Not sorted: false (default)

Returns

elbowIndex (number): The index of the detected elbow point.

Example

// get the elbow index from values of a column of the dataFrame
var elbowIndex = dataFrame.column('revenue').stat.elbow();

// log the elbow index
notebook.log(elbowIndex);