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0
votes
0answers
81 views

How to compute precision for a multiclass problem?

I have a question about calculating precision on a multiclass problem. If the true positives of some actual class is 0, and its false negatives is also 0, then how to calculate its recall? In this ...
4
votes
2answers
538 views

how to calculate precision and recall for multiclass classification using confusion matrix?

all, I wonder how to compute the precision and recall using confusion matrix for multi-class classification problem. In specific, one data can only be assigned with most probable class/label. I like ...
18
votes
3answers
5k views

How to compute precision/recall for multiclass-multilabel classification?

I'm wondering how to calculate precision and recall measures for multiclass multilabel classification, i.e. classification where there are more than two labels, and where each instance can have ...