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Error in my RapidMiner process

Hi,

I have an error in my RapidMiner process. Attached is the image of the process and rmp file. Can someone suggest what may be the reason for the error?

Thanks

Image: https://us.v-cdn.net/6030995/uploads/editor/5j/sk1ucb7bzr19.jpeg

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ClaudioKeck

Hi,

to use cross valiation you need to have an example set as input. Right now you have a collection of example sets. You have different options how to handle this. I would suggest to use the "Loop Collection" Operator to loop through your collection of Example sets. Inside the Loop collection Operator your "Cross Validation" Operator would sit.

Image: https://us.v-cdn.net/6030995/uploads/editor/8y/w78yn6efj8ze.png

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