*Roberto
On 21 October 2014 13:14, Joel Nothman <joel.noth...@gmail.com> wrote:
> I assume Robert's query is about RFECV.
>
> On 21 October 2014 07:35, Manoj Kumar <manojkumarsivaraj...@gmail.com>
> wrote:
>
>> Hi,
>>
>> No expert here, either but there are also feature selection classes which
>> compute the score per feature.
>>
>> A simple example would be the f_classif, which in a very broad way
>> measures how a certain feature varies across all the classes to how a
>> feature varies in a particular class (a naive explanation).
>> Intuitively if this ratio is lower for a feature as compared to the other
>> features it means that the feature is noisy (it varies a lot in a
>> particular class itself) and can be excluded.
>> You can have a look here for more details http://goo.gl/jsmEqd
>>
>> HTH
>> Manoj
>>
>>
>>
>>
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