similar to: Cluster graphs

Help-Rs   As someone who is newer to R and trying to make the transition from Access into R, there is a frequetnly used function that I'd like to try and duplicate in the R world.  It involved creating an aggregate table of the top (n)  orders for an item by sum of cost over a select period of time.   So, take the following example :   group <- c(rep(1,10), rep(2,10), rep(3,10)) product

Hello -- I am curious if lmer can be used to fit a multilevel factor model such as a two-parameter item response model. The one parameter model is straightforward. A two-factor model requires a set of factor loadings multiplying a single random effect. For example, a logit model for the ith subject responding correctly to the jth item (j=1,..,J) is logit[p(ij)] = a1*item1(i) + ... + aJ *

Hi all, I''m confused about how migrations work. I''ve been using them for a couple of weeks but haven''t had any serious rollback issues yet. Just now I added a field to a table with a migration and ran "rake migrate", which added the field as expected. This was in the file db/migrate/007_mymigration.rb, making it version 7. Later I changed my mind and

Hi there, I'm using R1.0.1 Windows 98. This file contains some inputs and an aov function code. Can someone check it for me? Somehow I got completely different answer when typing them in R and in Splus. Splus gives me this: > summary( Turnip.aov ) Error: Blocks Df Sum of Sq Mean Sq F Value Pr(F) Residuals 3 163.7367 54.57891 Error: Plots %in% Blocks

With Tony Rossini's help we have established anonymous CVS access to a read-only copy of the main R CVS tree at cvs.r-project.org. This would be of interest primarily to those who want to track the development version (and who have access to CVS, of course). To use anonymous cvs you must log in to the server under the name "anoncvs" and with the password "anoncvs". You

With Tony Rossini's help we have established anonymous CVS access to a read-only copy of the main R CVS tree at cvs.r-project.org. This would be of interest primarily to those who want to track the development version (and who have access to CVS, of course). To use anonymous cvs you must log in to the server under the name "anoncvs" and with the password "anoncvs". You

Does anyone know of any comprehensive literature (like a book, collection of articles, etc.) that walk thorugh example of ARIMA modeling with the ts package of R? Genarlly if you've just started to learn the R-language and are all week long with ARIMA, what is a fast-pace source that you would recommend (to a beginner) ? Thank you, Krasi

I'd like to make axis titles, chart titles, legends and the like mathematically nice (e.g., have proper superscripts and subscripts, variables in italics, and so on). Ideally, one could go into ``math mode" a la LaTeX, and write something like plot(blah, xlab="Methane in $\mbox{cm}^3$ / g", blah). This is just an ideal, but it would be nice. Is some approximation of this

Hey everyone, What am I doing wrong? I loaded the MASS package with library(MASS), and now when I type library() I get > library() Packages in library `F:\r\rw0651/library': MASS Main Library of Venables and Ripley's MASS base The R base package . . . That's fine. The problem is that when I try to use a function that I know is built

Sorry to ask this but does anyone knows a good text that helps with the basic programming side of R. I understand the statistics behind most of R but i have real difficulty with the data types and how R views them. As a part of that could you help me with another problem. I know how to read data in from a file in terms of read.table but how do i single a column out or even just download a

I have sort of an emergency question for the list. One of my professors for an S-Plus intensive class distributed a function to produce partial regression plots. I need to run it under R, because I'm doing the homework on my home computer with a modem; hence I don't have the speed required to emulate X-Windows and run S Plus off one of the campus servers. Bottom line: I'm using R.

Potentially Stupid Question Department: I just tried to load a few packages in a row. First I loaded MASS, then tseries, then nls. A typical error message from the last two looked like this: Attaching Package "package:nls": The following object(s) are masked from package:MASS : profile Is this a big deal? Does it mean that I lose any functionality from the

Hey everyone, Might it be possible for future versions of PC-R to highlight the opening brace in a pair, a la emacs? Programs that do that are infinitely friendlier than those that don't. Thanks, Steve Stephen R. Laniel | "I've got a match: Carnegie Mellon University | Your embrace and my collapse." laniel at cmu.edu | --They Might Be

Hello, I recall reading a thread months ago on this mailing list about handling very datasets under R, but I can't seem to find it. This has become particularly important recently, because I've been playing with a dataset containing information about every fatal car accident in the U.S. since 1975; in total, the relevant files are about 120 megs. I'd like to load all of these into R

At 06:09 AM 5/1/00 +0100, Prof Brian D Ripley wrote: >On Sun, 30 Apr 2000, Stephen R. Laniel wrote: > >> I was just now surprised to note that functions to go generalized additive >> models don't appear to exist under R 1.000. In particular, the gam() and >> loess() functions aren't there. Are they hidden somewhere and I just >> haven't noticed? >

Dear developers, I wonder would you consider making a save to a graphics file format (as opposed to ps)? What prompts this is that we have just finished my wife's thesis using R heavily for stats and graphs. The combination of latex, bibtex and R generated .eps worked a treat and we were very pleased with both the final outcome and the efficiency of gernerating it, especially when all the