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Performance Metrics in Machine Learning

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Performance Metrics

Performance metrics tell you something about the performance of a machine learning model. Each metric has a specific focus. Because of the confusion matrix’ nature, a lot of metrics have a close sibling. Equally confusing is that many performance metrics have multiple synonyms, depending on the context.

Given true

The following performance metrics are independent of the prevalence.

Given predicted

The following performance metrics are dependent of the prevalence.

General performance

General performance metrics evaluate the model without zooming in on specific true or predicted values.