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Challenge yourself with the following question.
Question 1
Suppose the "sum of the split score" variable importance of feature f1
is greater than the "number of nodes" variable importance of feature f2.
In this case, which of the following statements is correct?
f1 is more important than f2.
f1 is less important than f2.
f1 is neither more important nor less important than f2.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-02-25 UTC."],[[["Comparing \"sum of the split score\" and \"number of nodes\" variable importance across different features is not appropriate for determining feature importance."],["These two variable importance measures are calculated differently and thus, cannot be directly compared to ascertain the relative importance of features f1 and f2."]]],[]]