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"Cusstomized performance vector - F(B) score"
Instead of the particular F1 score, I'd like to calculate performance of bionominal classification based on F(B) score with a different B value which is described in here: https://en.wikipedia.org/wiki/F1_score
As it's not a linear equation, the "Combine performances" operator can't be utilized. Is there a way to do this in Rapidminer Studio?