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What do TPR and FPR mean?

TPR is the number of correct responses. FPR is the number of incorrect responses.

TPR is the proportion of answers that were provided correctly as ‘true’. FPR is the proportion of answers that were provided incorrectly as ‘true’.

TPR is the proportion of answers that were provided correctly as ‘true’. FPR is the proportion of answers that were provided incorrectly as ‘false’.

What are on the x and y axes in an ROC plot?

x-axis: FP rate, y-axis: TP rate

x-axis: Number of FPs, y-axis: Number of TPs

x-axis: Number of TPs, y-axis: Number of FPs

What does area under the curve for an ROC plot tell us?

How well the model works at its optimum decision threshold

Which is the optimum decision threshold?

It gives a summary of how well a model works across a variety of thresholds.

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