On Fri, 2004-09-03 at 21:54, Bickel, David wrote: > Does anyone know how to use the equivalent of debug() on an S4 method? I would like R to enter the browser not for the generic function, but for the method of the class that I specify. > There's non (that I know) ... you can insert the command "browser()" in the middle of your code. Regards EJ