I have to interpret the most important variables by speaking about the MeanDecreaseGini in randomForest. For example, I have variable x, with a value of 250. How can you explain that 250? What does that 250 mean?
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This question should probably be moved over to CV. https://stats.stackexchange.com/ – RLave Dec 03 '18 at 14:23
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1It doesn't have an interpretation, it is only relatively comparable with the other values. – user2974951 Dec 03 '18 at 14:27