[R] How to get the list of the files when you read zip file by gzfile or unz

Dear List, Does somebody know how to get the filename lists in the ziped when gzfile or unz command is used ? Thanks for your help. Shawn Lee -- The information contained in this communication and any atta...{{dropped}} __ R-help

[R] Question for layout function

Dear people, Is there a way to generate three graphs having 2x2 layout, but left half is merged ? Like below. - ||| ||| ||| ||| - Two times of layout function with par(new=FALSE) do not accept it. Shawn Lee -- The information contained