Open Access
Table 2
Definition of each performance metric used for the evaluation of the performance of our diagnostic tool.
Description | Equation | |
---|---|---|
Term | ||
True Positive (TP) | An object that has been correctly predicted to be in a specific galaxy class. | - |
True Negative (TN) | An object is correctly predicted not to belong to a class. | - |
False Positive (FP) | An object that is falsely predicted to belong to a galaxy class. | - |
False Negative (FN) | An object that is falsely predicted not to belong to a galaxy class. | - |
Performance metric | ||
Accuracy | The ratio of the correct predictions to the total predictions made by the classifier. | ![]() |
Precision | The number of objects correctly predicted to belong to a class divided by the total objects that the classifier predicted to belong to that class. | ![]() |
Recall | The objects correctly predicted to belong to a class divided by all the objects that belong to that specific class. | ![]() |
F1-score | The harmonic mean of precision and recall. | ![]() |
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