On Fri, 26 Aug 2005, Luwis Tapiwa Diya wrote: > I have been trying to write my own user defined function in Rpart.I > imitated the anova splitting rule which is given as an example.In the > work I am doing ,I am calculating the concentration index(ci) ,which > is in between -1 and +1.So my deviance is given by > abs(ci)*(1-abs(ci)).Now when I run rpart incorporating this user > defined function i get the following error message: > > Error in user.split(yback[1:nback], wback[1:nback], xback[1:nback], parms, : > unused argument(s) ( ...) > > Now I am failing to indentify where I am going wrong (In case I am > have made some mistake).So I was wondering if there is anybody who > have written some user defined functions of theirs and maybe if there > is any documentation with regards to user defined functions and > examples.
There is a commented example in the tests directory (of the sources). -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
