org.apache.spark.ml.feature

Interface Term

All Known Subinterfaces:

InteractableTerm

public interface Term

R formula terms. See the R formula docs here for more information: http://stat.ethz.ch/R-manual/R-patched/library/stats/html/formula.html

Method Summary

Modifier and Type	Method and Description
Term	add(Term other) Creates a summation term by concatenation of terms.
org.apache.spark.ml.feature.Terms	asTerms() Default representation of a single Term as a part of summed terms.
Term	interact(Term other) Default interactions of a Term
Term	subtract(Term other) Fold by adding deletion terms to the left.

Method Detail

add

Term add(Term other)

Creates a summation term by concatenation of terms.

asTerms

org.apache.spark.ml.feature.Terms asTerms()

Default representation of a single Term as a part of summed terms.

interact

Term interact(Term other)

Default interactions of a Term

subtract

Term subtract(Term other)

Fold by adding deletion terms to the left. Double negation doesn't cancel deletion in order not to add extra terms, e.g. a - (b - c) = a - Deletion(b) - Deletion(c) = a

Parameters:

other - (undocumented)

Returns:

(undocumented)