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Posted to user@mahout.apache.org by Siddharth Tiwari <si...@live.com> on 2012/10/16 22:17:56 UTC

inferring from mahout confusion matrix

hi list,
how to understand the mahout's confusion matrix.please throw some light

*------------------------*

Cheers !!!

Siddharth Tiwari

Have a refreshing day !!!
"Every duty is holy, and devotion to duty is the highest form of worship of God.” 

"Maybe other people will try to limit me but I don't limit myself"

Re: inferring from mahout confusion matrix

Posted by chyi-kwei yau <ch...@gmail.com>.

Hi,

Take a look at the definition and example of confusion matrix at
http://en.wikipedia.org/wiki/Confusion_matrix

Basically it is just a table of true class vs prediction class.
A perfect prediction means only diagonal entries have greater than zero values.

Best,
CHyi-Kwei

On Tue, Oct 16, 2012 at 4:17 PM, Siddharth Tiwari
<si...@live.com> wrote:
>
> hi list,
> how to understand the mahout's confusion matrix.please throw some light
>
> *------------------------*
>
> Cheers !!!
>
> Siddharth Tiwari
>
> Have a refreshing day !!!
> "Every duty is holy, and devotion to duty is the highest form of worship of God.”
>
> "Maybe other people will try to limit me but I don't limit myself"
>