A bit on the F1 score floor

At Strata+Hadoop World “R Day” Tutorial, Tuesday, March 29 2016, San Jose, California we spent some time on classifier measures derived from the so-called “confusion matrix.” We repeated our usual admonition to not use “accuracy” as a project goal (business people tend to ask for it as it is the word they are most familiar … Continue reading A bit on the F1 score floor