Talk:Decision tree learning

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I'm very grateful for the work that's gone into this article so far, but I think that it's missing a couple of key points that would be helpful to readers. First, there is no discussion of pruning - what necessitates it, and what algorithms are used to guide it? Second, although Gini impurity and Information gain are discussed in their own section, there is no discussion explaining their application in the construction of decision trees (i.e. as criteria for selecting values on which to split a node).

Here's hoping that these observations are not out of place; this is my first-ever contribution to Wikipedia and I suppose I ought to go play in the sandbox and then add to the article myself, eh?

Yoy riblet 04:41, 18 July 2007 (UTC)