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What Is Feature Engineering? Data sets can be made more predictive with a little help. “Features” are the properties or characteristics of something you want to predict. Machine learning predictions can often be improved by “engineering”— adjusting features that are

There Is this “F1” Thing Why 50% probability isn’t always always the prediction cut-off. Say you are classifying 100 examples of fruit and there are 99 oranges and one lime. If your model predicted all 100 are oranges, then it