What these metrics mean? Machine Learning WEKA

JC <[email protected]>
Newsgroups gmane.comp.ai.weka
Message-ID <[email protected]>
I am new with Machine Learning and* I am doing some predictions with
classification algorithms as Random Tree or J48 using WEKA*.

I get the following results but, to be honest, I don't know what these
means. I have been searching examples on Google but I didn't find anything
that can help me.

For example, I would like to know if my prediction is good or bad and why,
just that to starting learning.

This is my output:

<https://weka.8497.n7.nabble.com/file/t6747/aaaCaptura.png> 

Thank you so much in advance!



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