Easy way of counting precision, recall and F1-score in R

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不思量自难忘°
不思量自难忘° 2021-01-31 04:45

I am using an rpart classifier in R. The question is - I would want to test the trained classifier on a test data. This is fine - I can use the predict.rpart<

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  •  Happy的楠姐
    2021-01-31 05:24

    You can also use the confusionMatrix() provided by caret package. The output includes,between others, Sensitivity (also known as recall) and Pos Pred Value(also known as precision). Then F1 can be easily computed, as stated above, as: F1 <- (2 * precision * recall) / (precision + recall)

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