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P5-statistics-contingency
Jul 20, 2023
Calculate precision, recall, F1, accuracy, etc
The “StatisticsContingency” class helps you calculate several useful statistical measures based on 2x2 “contingency tables”. I use these measures to help judge the results of automatic text categorization experiments, but they are useful in other situations as well.
The general usage flow is to tally a whole bunch of results in the “StatisticsContingency” object, then query that object to obtain the measures you are interested in. When all results have been collected, you can get a report on accuracy, precision, recall, F1, and so on, with both macro-averaging and micro-averaging over categories.
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