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Possible Answers: BUSTLE.
Last seen on: USA Today Crossword – December 13 2017 Wednesday Crossword Answers
Random information on the term “BLEU”:
In statistical analysis of binary classification, the F1 score (also F-score or F-measure) is a measure of a test’s accuracy. It considers both the precision p and the recall r of the test to compute the score: p is the number of correct positive results divided by the number of all positive results, and r is the number of correct positive results divided by the number of positive results that should have been returned. The F1 score is the harmonic average of the precision and recall, where an F1 score reaches its best value at 1 (perfect precision and recall) and worst at 0.
The traditional F-measure or balanced F-score (F1 score) is the harmonic mean of precision and recall:
The general formula for positive real β is:
The formula in terms of Type I and type II errors:
Two other commonly used F measures are the
F
2
{\displaystyle F_{2}}
measure, which weighs recall higher than precision (by placing more emphasis on false negatives), and the
F
0.5
{\displaystyle F_{0.5}}
measure, which weighs recall lower than precision (by attenuating the influence of false negatives).