similar to: Regression trees with an ordinal response variable

Hi All, i've got a problem using the ctree function of the party package. I've searched around a lot but couldn't manage it. I've got an ordered factor as response. As far as i know i have to use scores to be able to use this ordered factor. But if i do so i get a tree which predicts all observations as the first level of my ordered factor. In order to test if i did anything

Hi all, I'm trying to download a file from the net, and the download.file command leaves it corrupted, i.e excel cannot open it. It seems as if it's going ok, however. Does anyone have an idea of what's going on? regards, Gustaf Rydevik ---- >download.file(url="http://www.who.int/entity/whosis/whostat2006_demographics.xls",destfile="whodem.xls") trying URL

Hi All, I'm using the party package to grow conditional inference trees for survival analysis. When I used party version party_0.9-9991 everything worked well, but when I update to party_1.0-2 (due to using 64bit R), I get an error. For simplicity I will show the error I get for the example in the party documentation: ### survival analysis if (require("ipred")) {

Hi, I would like to know how can I keep adding data to a file while doing a loop and without deleting the data of the previous iteration. Thanks.

I have a data set w/ an ordinal response taking on one of 10 categories. I am considering using polr to fit a cumulative logits model. I previously fit the model in SAS (using proc logistic) which provides a test for the proportional odds assumption (p < 0.001 for the test). Are there simple diagnostic plots that can be used to look at the validity of this assumption and possibly help w/

Full_Name: Gustaf Rydevik Version: 2.7.1 OS: Win XP professional Submission from: (NULL) (130.237.97.254) The following lines of code crash R 2.7.1 (=cause R to show "The R gui has encountered a problem and needs to close"....). Replicated on two WinXp professional machines, as well as by Uwe Ligges. > sessionInfo() R version 2.7.1 (2008-06-23) i386-pc-mingw32 locale:

Hi, The added support for semi-transparent colours in `windows' under R-2.6.0 for Windows is much appreciated. However, I've discovered that issuing a `layout' (or `par' with arguments `mfcol'/`mfrow') call and then trying to plot several figures with semi-transparent colour on the same page results in only the first one being fully drawn. E.g. > x <-

Dear all, I am using the R package SNPRelate but I found an error when I run the following command. Do you know what might be the problem? Thanks in advance. > vcf.fn <- system.file("extdata", "sequence.vcf", package="SNPRelate") > snpgdsVCF2GDS(vcf.fn, "test.gds") Start snpgdsVCF2GDS ... Open

It seems within the last ~3 months Ive been having issues with writing text or csv files from a R data frame.  The problem is multifold and it is hard to filter  out what is going on and where the problem is.  So, Im hoping someone else has come across this and may provide insight.   My current settings for R: R version 2.15.2 (2012-10-26) Platform: x86_64-w64-mingw32/x64 (64-bit) locale: [1]

Hello, This is a re-submittal of question I submitted last week, but haven't rec'd any responses. I need to extract the probabilities used to construct the barplots displayed as part of the graph produced by plot("ctree"). For example, library(party) iris.ct <- ctree(Species ~ . , data = iris) plot(iris.ct) Instead of a simple example with only 4 terminal nodes, my

Dear all, I had a R segmentation fault, and then invoked debug mode and ran step by step. When I reached "terms(Y~X1*X2*...*X16)", I would then have "segmentation" fault. However, if I just ran this under regular "R interactive" mode, it would be fine though taking long time. My questions are: 1. Is there a known limit of terms for a formula? 2. Why does the

Dear all, I had a R segmentation fault, and then invoked debug mode and ran step by step. When I reached "terms(Y~X1*X2*...*X16)", I would then have "segmentation" fault. However, if I just ran this under regular "R interactive" mode, it would be fine though taking long time. My questions are: 1. Is there a known limit of terms for a formula? 2. Why does the

Hi all, I am having some problems in updating some packages from source. I start with : install.packages("Boom",lib="C:/RownLib",type="source") I get the following error message : * installing *source* package 'Boom' ... ** package 'Boom' successfully unpacked and MD5 sums checked ** libs *** arch - i386 c:/Rtools/mingw_32/bin/g++ -std=gnu++11

Hi, As far as I can see, no. On checking, I have confirmed that the only location of cygwin1.dll is : C:\Rtools\bin Thanks Vivek 2017-06-03 12:57 GMT+02:00 Duncan Murdoch <murdoch.duncan at gmail.com>: > On 03/06/2017 6:31 AM, Vivek Sutradhara wrote: > >> Hi all, >> I am having some problems in updating some packages from source. I start >> with : >>

On R 2.15.2 and ArcGIS 9.3.1, it works for me in ArcCatalog but you have to follow the particulars here: http://webhelp.esri.com/arcgisdesktop/9.3/index.cfm?TopicName=Accessing_delimited_text_file_data For example: write.table(test, '***.tab', sep = '\t', row.names = F) The extension .tab and sep = '\t' are required for text files. Didn't test row.names=T but I

Hi there, I need to extract the variable names from all nodes (except the terminal nodes) from a ctree object, e.g. library(party) mammoct <- ctree(ME ~ ., data = mammoexp) plot(mammoct) how can I extract the varnames from node 1 (SYMPT) and node 3 (PB) from the fitted object "mammoct"? Many Thanks, Sven

On 03/06/2017 6:31 AM, Vivek Sutradhara wrote: > Hi all, > I am having some problems in updating some packages from source. I start > with : > install.packages("Boom",lib="C:/RownLib",type="source") > > I get the following error message : Do you have multiple copies of cygwin1.dll? Duncan Murdoch > > * installing *source* package

On 03/06/2017 7:00 AM, Vivek Sutradhara wrote: > Hi, > As far as I can see, no. > > On checking, I have confirmed that the only location of > cygwin1.dll is : > C:\Rtools\bin I would re-install Rtools, and make sure C:\Rtools\bin appears first in your PATH. Duncan Murdoch > > Thanks > Vivek > > 2017-06-03 12:57 GMT+02:00 Duncan Murdoch <murdoch.duncan at

Dear all, I was intrigued by the ctree command and wanted to check it out. I first ran the demo with example(ctree) and did get the survival graphs in the end. Upon doing this with my own data and yielding a "Invalid operation on a survival time" I tried to rerun example(ctree) and now I also get "Invalid operation on a survival time" after the example runs plot(GBSG2ct)...

Hi, I am new to R and am using the ctree() function to do customer segmentation. I am using the following code to generate the tree: treedata$Response<-factor(treedata$Conversion) fit<-ctree(Response ~ .,controls=ctree_control(mincriterion=0.99,maxdepth=4),data=treedata) plot(fit) print(fit) The variable "Response" above equals 1 if the customer responded to an offering and