search for: wback

...ven 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 wi...