Functions.Log Method
Definition
Important
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Overloads
| Log(Double, Column) |
Computes the first argument-base logarithm of the second argument. |
| Log(Double, String) |
Computes the first argument-base logarithm of the second argument. |
| Log(Column) |
Computes the natural logarithm of the given value. |
| Log(String) |
Computes the natural logarithm of the given value. |
Log(Double, Column)
Computes the first argument-base logarithm of the second argument.
public static Microsoft.Spark.Sql.Column Log (double logBase, Microsoft.Spark.Sql.Column column);static member Log : double * Microsoft.Spark.Sql.Column -> Microsoft.Spark.Sql.ColumnPublic Shared Function Log (logBase As Double, column As Column) As ColumnParameters
- logBase
- Double
Base for logarithm
- column
- Column
Column to apply
Returns
Column object
Applies to
Log(Double, String)
Computes the first argument-base logarithm of the second argument.
public static Microsoft.Spark.Sql.Column Log (double logBase, string columnName);static member Log : double * string -> Microsoft.Spark.Sql.ColumnPublic Shared Function Log (logBase As Double, columnName As String) As ColumnParameters
- logBase
- Double
Base for logarithm
- columnName
- String
Column name
Returns
Column object
Applies to
Log(Column)
Computes the natural logarithm of the given value.
public static Microsoft.Spark.Sql.Column Log (Microsoft.Spark.Sql.Column column);static member Log : Microsoft.Spark.Sql.Column -> Microsoft.Spark.Sql.ColumnPublic Shared Function Log (column As Column) As ColumnParameters
- column
- Column
Column to apply
Returns
Column object
Applies to
Log(String)
Computes the natural logarithm of the given value.
public static Microsoft.Spark.Sql.Column Log (string columnName);static member Log : string -> Microsoft.Spark.Sql.ColumnPublic Shared Function Log (columnName As String) As ColumnParameters
- columnName
- String
Column name
Returns
Column object