Timeline for Correct Interpretations from confusion matrix
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 18, 2020 at 22:20 | comment | added | gunes | But, what is the user of defining another concept of accuracy, which will have the same meaning of recall? | |
| Sep 8, 2020 at 19:06 | comment | added | Johanna | I don't understand why you can't have per class accuracy though? Shouldn't the definition of "class A" accuracy be the same as overall accuracy but for a given class, and therefore the same as recall? | |
| Sep 8, 2020 at 16:29 | comment | added | gunes | confusion matrix can give you accuracy, it can't give you per class accuracy because there is no such thing. Overall accuracy = sum of diagonals / sum of all entries | |
| Sep 8, 2020 at 16:26 | comment | added | Johanna | May I ask: if the confusion matrix gives us only recall and precision, but not accuracy, if I train a model in matlab and it only gives me the confusion matrix, how can I get the overall acuraccy (not per class, the model's accuracy)? | |
| Sep 8, 2020 at 16:10 | history | answered | gunes | CC BY-SA 4.0 |