Question: Let's say we were building a random forest model and we are about to split a note based off of an input variable feature. What

Let's say we were building a random forest model and we are about to split a note based off of an input variable feature. What factor determines which input variable feature is selected?

1. We choose the feature that has the highest information gain.

2. We choose the feature that has the lowest information gain.

3. We choose the input variable that has a moderate amount of information gain.

4. We choose the input variable that has no purity.

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