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Using Analytics Functions
The following functions are present in the com.pervasive.dataflow.analytics.functions package. They all return a normalization function that can be used in various other operators.
Function Name
Description
Output Type
Parameters
StatsFunctions.minmax
Create a MinMax normalization function for a given subexpression or input field.
ScalarValuedFunction
• ScalarValuedFunction or input field name
• Minimum
• Maximum
StatsFunctions.normalizeFunction
Create a normalization function for the given function expression or input field.
ScalarValuedFunction
• NormalizeMethod
• ScalarValuedFunction or input field name
• PMML NumericInfo element
StatsFunctions.zscore
Create a Z-Score normalization function for the given input function or input field.
ScalarValuedFunction
• ScalarValuedFunction or input field name
• Mean
• Stddev
Last modified date: 01/03/2025