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...oblem can be solved if Sweave is allowed to introduce line breaks after forward slashes. (I guess that this problem can also be solved if parse() adds a blank after a forward slash.) Example: The following expression cannot be wrapped by Sweave: mean(myDataframe$myFirstVariable)/mean(myDataframe$mySecondVariable) Thanks for the great software packages (R, Sweave, ...), Arne

...lowed to introduce > line breaks after forward slashes. (I guess that this problem can also be solved > if parse() adds a blank after a forward slash.) > > Example: > The following expression cannot be wrapped by Sweave: > > mean(myDataframe$myFirstVariable)/mean(myDataframe$mySecondVariable) It's actually deparse() that causes this, but the problem is already solved in R-devel (to become R 2.5.0). If you don't like the formatting that deparse() gives to one of your expressions, use the Sweave option keep.source=TRUE, and your original formatting will be kept for that chun...

...lowed to introduce > line breaks after forward slashes. (I guess that this problem can also be solved > if parse() adds a blank after a forward slash.) > Example: > The following expression cannot be wrapped by Sweave: > mean(myDataframe$myFirstVariable)/mean(myDataframe$mySecondVariable) In R 2.5.0 you can use Sweave option keep.source=TRUE to keep the original formatting of source code, including all indentation and line breaks -> does this solve your problem? Best, Fritz Leisch