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Hi dear friends
Solved! Go to Solution.
You'll have to convert your data set using the Nominal to Numerical operator, set at Dummy Coding. That will create new attribute columns but with 1's and 0's. From there you can use the Numerical to Binominal operator to convert them to true and falses.
Hi dear Thomas
Thanks a million. It worked!
But I can’t understand the method and why I have used these operators. In fact I don’t know about Dummy Coding concept. Would you pls introduce me an article or sth which makes it clear for me??