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You're only counting the positives. When positives are rare, just guessing the result will be negative is usually a really good starting place.
by Enginerrrd 5y ago
You're only counting the positives. When positives are rare, just guessing the result will be negative is usually a really good starting place.
- charcircuit 5y ago>is usually a really good starting place No, you are getting misleading results because you have an imbalanced dataset.
- PaulHoule 5y agoThis is how you can throw out most of the COVID tests in the trash and say they all were negative and get away with it... for a while!