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Hi. I'm a real newbie in R, so I don't know how to apply, a function created by myself... prediction<-function(a,b) { .. } to a vector... It doesn't seem to understand lapply(vector, prediction())... Anyone can help...

Hi everybody. I'm a new R user and i've been searching a tool for construction of regression tree... I found function "tree()" written by a certain Mr. Ripley, and seems to be just what i'm looking for...

Hello. I have a hudge problem, don't know how to deal with it... I'm supposed to implement a tree structure in R, without using rpart library... I don't have any clue about appropriate approach... Anyway, I can...

Sorry, didn't mean to make you mad... unfortunately, at the moment i don't think i can afford it, and in my university library there are no books concerning R... Anyway, I'm sorry if I'm bugging you...

Hi... wow that was quick! Thanks. Imfortunately, I tried library(tree), it doesn't work. R answers that he dosn't find library tree... So have any idea why...? ana ----- Original Message ----- From: "Ko-Kang Kevin Wang" <kwan022 at stat...

..hey thanks for the answer, both of you... but :-(, I don't seem to have an answer to my problem... I tried with what u suggested, but it doesn't work yet... so I will precise it... I have a...

----- Original Message ----- From: "Marc Feldesman" <feldesmanm at pdx.edu> To: <r-help at stat.math.ethz.ch> Sent: Saturday, May 17, 2003 7:52 PM Subject: Re: [R] how to construct tree under R > > > On Sat, 17 May 2003 19...

Hey guys, thanks a lot for your understanding and advices. Anyway, I suceed to make something like tree-structure under R...list of lists... because my problem was not which algorithm to use to construct the regression tree, but which...

hey thanks a lot... finally I decided to write my own fonction which will do it... I was completely lost with rbind, mode="list"... I find slightely weird the R-kind-of-thinking...:))) Anyway, i'm trying to acomplish my...