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"Feature Selection operator"

User: "emmam"
New Altair Community Member
Updated by Jocelyn
Hello there
I am interested in using the Feature Selection tool of RapidMiner  but though i understand the logic i am not able to grasp how this this tool works in RM .

To give a little background : I have a tab delimited file with 115 regular attributes + 1 target attribute with 110 examples . My objective is to select the optimal set  of regular attributes which have the maximum contribution to the target attribute so that i can use them in a prediction model .
I dont want to use all the attributes in order to avoid over- training.

The tutorial says that i can connect the Feature selection operator directly to my ExampleSource .But when i actually do it , i checked the help stuff and it says  i am suppose to use an ExampleSetGenerator in between (no idea y ?).  In the end i still get errors and am not able to do it ??

Any help or comments or suggestions are highly appreciated.

Thanks
Emma

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