search for: sagx

Dear All: I am a newbie to R and as such i am posting this request for help. I am trying to use R to compute the "Calinski Harabasz (CH) Index ". The CH Index is available in the library SAGx. The version of R i am running is 2.2.1. I have my data in a CSV format which i read into R using the read.table() command. After the data has been read i am loading in the "SAGx" and "MASS" libraries. According to the SAGx help files the command for running a CH procedure i...

Hi list, I tried to load the package SAGx and failed because it complains it's looking for the Biobass which is not there. Then I looked up the package list and Biobass is not found. I'm trying to run the Jonckheere-Terpstra test and from what I see in the R archive, SAGx is the only place it's been implemented. > library...

Full_Name: Alexandra R Mendes de Almeida Version: 2.4.1 OS: Linux Submission from: (NULL) (201.51.225.154) R-Masters The packahe SGAx is not on the repository. See the message returned by R when i tried to install it: > install.packages("SAGx") --- Please select a CRAN mirror for use in this session --- Loading Tcl/Tk interface ... done Warning in download.packages(unique(pkgs), destdir = tmpd, available = available, : no package 'SAGx' at the repositories Please, could you fix it?! Thank you very much!!! Alexan...

Has anyone implemented Tibrishani's gap statistic in R or S plus? If so I would greatly appreciate the relevant script file. Any help will be much appreciated Kind regards Dr Graham Leask Economics and Strategy Group Aston Business School Aston University Aston Triangle Birmingham B4 7ET Tel: Direct line 0121 204 3150 email g.leask@aston.ac.uk [[alternative HTML version deleted]]

I want to overlay 50 denisty plots on a single plot. For each plot there are 10,000 data points and i want the empirical density of the data. I have not been able to find an easy way to achieve this (I have scoured the manula and website so sorry if I missed it!), does anyone have any suggestions? Thankyou.

I have recently upgraded to Ubuntu Gutsy and, for the first time, am using a 64-bit installation. After failing miserably to install R from source, not a problem for me in the past with a 32-bit install, I went the route of using the Debian Etch build. This went smoothly, but I am unable to update my numerous R and BioConductor packages, getting non-zero exit status errors on each package. Is

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