We have started adding “Accuracy” numbers to emails. For example:
- Your average accuracy on this question was 83.
- SciCast’s average accuracy on this question was 90.
What does that mean? The short answer is that it’s a transform of the familiar Brier score, which we have mentioned in several blog posts. Where the Brier measures your error (low is good), Accuracy measures your success (high is good). This is more intuitive … except when it’s not.
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