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I wanted to delete all the columns with "No", such as DIGSANo, SETFANo, ... How do I do it? Thank you! The data is here enter link description here

Little Bee
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    Next time, in order to help us to help you, please: specify well what you are trying to achieve, provide some reproducible [code](http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example) and if possible a desired output. It is harder to help you trying to guess what your purposes are. – SabDeM Jul 13 '15 at 13:55
  • You wouldn't get so many downvotes if you posted some sample data and an attempt to do it yourself. Try reading this: http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example – Mike Wise Jul 13 '15 at 13:56

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One way could be with dplyr and the functions that work inside select:

iris %>% select(-ends_with("Width"))

In you case you should do something like:

yourData %>% select(-ends_with("No"))
SabDeM
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