[scikit-learn] Issue with DecisionTreeClassifier

[Ibrahim Dalal]

Hi,

Is there a way to extract impurity value of a node in
DecisionTreeClassifier? I am able to get this value in graph (using
export_grapgviz), but can't figure out how to get this value in my code. Is
there any attribute similar to estimator.tree_.children_left?

Thanks

On Mon, Aug 29, 2016 at 12:53 AM, Nelson Liu <nfliu at uw.edu> wrote:

> That should be:
> node indicator = estimator.tree_.decision_path(X_test)
>
> PR welcome :)
>
> On Sun, Aug 28, 2016, 13:12 Ibrahim Dalal via scikit-learn <
> scikit-learn at python.org> wrote:
>
>> Dear Developers,
>>
>> DecisionTreeClassifier.decision_path() as used here
>> http://scikit-learn.org/dev/auto_examples/tree/unveil_tree_structure.html
>> is giving the following error:
>>
>> AttributeError: 'DecisionTreeClassifier' object has no attribute
>> 'decision_path'
>>
>> Kindly help.
>>
>> Thanks
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