Loop Attributes


Synopsis

Iterates over the given features and applies the inner operators for each feature where the inner operators can access the current feature name by a macro.


Description

This operator takes an input data set and applies its inner operators as often as the number of features of the input data is. Inner operators can access the current feature name by a macro, whose name can be specified via the parameter iteration_macro.

The user can specify with a parameter if this loop should iterate over all features or only over features with a specific value type, i.e. only over numerical or over nominal features. A regular expression can also be specified which is used as a filter, i.e. the inner operators are only applied for feature names matching the filter expression.


Input


Output


Parameters


ExampleProcess