[scikit-learn] Original source for DecisionTreeClassifier Implementation

[Andreas Mueller]

On 07/12/2016 12:31 AM, Praveen Gollakota wrote:
> Hello,
>
> I was curious if anyone has an original source or paper from which the 
> decision trees were implemented in scikit learn. I see general 
> references for Elements of Statistical Learning and other references 
> but no specific mention of which version of algorithm is actually 
> implemented.
>
> I couldn't find any references in 
> https://github.com/scikit-learn/scikit-learn/tree/master/sklearn/tree.
They are in the docstring:
http://scikit-learn.org/stable/modules/generated/sklearn.tree.DecisionTreeClassifier.html#sklearn.tree.DecisionTreeClassifier
https://github.com/scikit-learn/scikit-learn/blob/master/sklearn/tree/tree.py#L652