Thanks for all suggestions from Roman (?= 500600[via R]), Barry and Jim. It seems that ls()[-objectname] didn't work even on numeric matrices and user made functions. I will work with Jim's advice on using grep() and gc() to see whether it works. -- View this message in context: http://r.789695.n4.nabble.com/How-to-remove-all-objects-except-a-few-specified-objects-tp2335651p2336653.html Sent from the R help mailing list archive at Nabble.com.
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