DataFrameStatFunctions.FreqItems Method

Definition

Namespace:

Microsoft.Spark.Sql

Assembly:

Microsoft.Spark.dll

Package:

Microsoft.Spark v1.0.0

Overloads

FreqItems(IEnumerable<String>)	Finding frequent items for columns, possibly with false positives with a default support of 1%.
FreqItems(IEnumerable<String>, Double)	Finding frequent items for columns, possibly with false positives.

FreqItems(IEnumerable<String>)

Finding frequent items for columns, possibly with false positives with a default support of 1%.

public Microsoft.Spark.Sql.DataFrame FreqItems (System.Collections.Generic.IEnumerable<string> columnNames);

member this.FreqItems : seq<string> -> Microsoft.Spark.Sql.DataFrame

Public Function FreqItems (columnNames As IEnumerable(Of String)) As DataFrame

Parameters

columnNames

IEnumerable<String>

Column names

Returns

DataFrame

DataFrame object

FreqItems(IEnumerable<String>, Double)

Finding frequent items for columns, possibly with false positives.

public Microsoft.Spark.Sql.DataFrame FreqItems (System.Collections.Generic.IEnumerable<string> columnNames, double support);

member this.FreqItems : seq<string> * double -> Microsoft.Spark.Sql.DataFrame

Public Function FreqItems (columnNames As IEnumerable(Of String), support As Double) As DataFrame

Parameters

columnNames

IEnumerable<String>

Column names

support

Double

The minimum frequency for an item to be considered frequent. Should be greater than 1e-4.

Returns

DataFrame

DataFrame object