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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