Kindly tell me about WEKA Tool , Some time my classification technique are enabled , few of them disabled why? At a time all techniques are not working . Why. Kindly explain.
Please note that there are different types of classification algorithms in WEKA and you must know how they work before just using them. Some of them work only with specific types of attributes for example numeric, therefore you cannot use them for nominal attributes. I recommend watching Professor Ian Witten's videos to know how to use WEKA classifiers. Here is the link: