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For removing columns, you have again two options: “Select Attributes” and “Remove Useless Attributes.”
I have an excel file containing survey data from “checkbox” questions, where one question exports its answer into multiple columns. This causes a lot of cells to be marked as “missing data” which it really isn’t. Is there a way to handle this easily in RapidMiner?
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Users who learn by completing the “paint-by-numbers” tutorials directly in RapidMiner Studio learn the product more rapidly than those who try to figure it out on their own. To get started, click on the “LEARN” button in RapidMiner Studio popup screen shown, as shown below. You can also find the Tutorials under the “Questions?” button on the upper right hand side of the RapidMiner Studio screen.