DataFrameStatFunctions.Corr Method

Definition

Namespace:

Microsoft.Spark.Sql

Assembly:

Microsoft.Spark.dll

Package:

Microsoft.Spark v1.0.0

Overloads

Corr(String, String)	Calculates the Pearson Correlation Coefficient of two columns of a DataFrame.
Corr(String, String, String)	Calculates the correlation of two columns of a DataFrame.

Corr(String, String)

Calculates the Pearson Correlation Coefficient of two columns of a DataFrame.

public double Corr (string colName1, string colName2);

member this.Corr : string * string -> double

Public Function Corr (colName1 As String, colName2 As String) As Double

Parameters

colName1

String

First column name

colName2

String

Second column name

Returns

Double

The Pearson Correlation Coefficient

Corr(String, String, String)

Calculates the correlation of two columns of a DataFrame.

public double Corr (string colName1, string colName2, string method);

member this.Corr : string * string * string -> double

Public Function Corr (colName1 As String, colName2 As String, method As String) As Double

Parameters

colName1

String

First column name

colName2

String

Second column name

method

String

Method name for calculating correlation

Returns

Double

The Pearson Correlation Coefficient

Remarks

Currently only the Pearson Correlation Coefficient is supported.