[R] error with RNetLogo on a mac

2013-09-06 Thread Ricardo Pietrobon
gist with code and respective errors: http://goo.gl/r6VrHl would appreciate any input on how to get around the java vm problem. btw, the very idea of connecting R and netlogo is superb copying Jan in case he might have some input many thanks __ R-help

Re: [R] tm::stemDocument function not work

2013-09-04 Thread Ricardo Pietrobon
munsell_0.4.2 > [9] parallel_3.0.1 plyr_1.8 proto_0.3-10 > RColorBrewer_1.0-5 > [13] reshape2_1.2.2 rJava_0.9-4 RWekajars_3.7.10-1 scales_0.2.3 > [17] slam_0.1-28stringr_0.6.2 > > > Regards, > Pascal > > > > 2013/9/4 Ricar

[R] tm::stemDocument function not work

2013-09-03 Thread Ricardo Pietrobon
https://gist.github.com/rpietro/6430771 stemDocument function doesn't seem to be working. Tried to look up and a few people have reported the problem, but no solution that I could find. would appreciate any help __ R-help@r-project.org mailing list htt

Re: [R] Plotting Where People Live on a U.S. Map

2012-08-06 Thread Ricardo Pietrobon
Dan, google refine http://goo.gl/AeKml can actually transform zip codes into longitude/latitude - http://goo.gl/1HDWb will show you how to do this from street adresses, but it should also work from city names -- i think it will allocate a default long/lat for a city, but not sure of the exact mecha

Re: [R] rrdf package for mac not working

2012-06-28 Thread Ricardo Pietrobon
gt; > Please contact the package maintainer. > > Best, > Uwe Ligges > > > On 26.06.2012 00:41, Ricardo Pietrobon wrote: >> >> rrdf is incredibly helpful, but I've notice that the rrdf package for mac >> hasn't been working for some time: http://goo

[R] rrdf package for mac not working

2012-06-25 Thread Ricardo Pietrobon
rrdf is incredibly helpful, but I've notice that the rrdf package for mac hasn't been working for some time: http://goo.gl/5Ukpn . wondering if there is still a plan to maintain that in the long run, or if there is some other alternative to read RDF files. [[alternative HTML version delete

Re: [R] Adding title to colorkey

2012-06-16 Thread Ricardo Pietrobon
Stephen, for ggplot2 you might want to check http://goo.gl/0Wx0B On Sat, Jun 16, 2012 at 4:40 AM, Stephen Eglen wrote: > > A recent paper on visualisation (in Neuron, a leading neuroscience > journal) surveyed how well previous articles in this journal labelled their > graphs (e.g. axis labelling

Re: [R] Decision Trees or Markov Models for Cost Effectiveness

2012-06-16 Thread Ricardo Pietrobon
not quite an R package, but one way of taking advantage of R would be to use something like treeplan http://goo.gl/wHsb6 along with RExcel http://goo.gl/ToD77 On Thu, Jun 14, 2012 at 11:34 AM, stefan.d...@gmail.com < stefan.d...@gmail.com> wrote: > Hi Noah, > > I did ask basically the same questi

Re: [R] where to find a host server with R

2012-06-14 Thread Ricardo Pietrobon
EC2 is an option http://goo.gl/uw0Ze On Tue, Jun 12, 2012 at 4:03 PM, Xiaokuan Wei wrote: > Hi, > > I am building a website with using R and bioconductor packages. I am > wondering where I can find a good quality hosting service which provides > servers running R and allows me to install various

Re: [R] R and Ruby integration using RSruby gem

2012-06-14 Thread Ricardo Pietrobon
you might want to look at http://goo.gl/g6hGK On Mon, Jun 11, 2012 at 12:53 PM, Ashy43 wrote: > Hi All, > > Could anyone please tell the installation steps of RSruby gem on Windows > XP. > I have latest version of ruby & R installed on Windows. > > > Thanks > > -- > View this message in context:

Re: [R] Decision Trees or Markov Models for Cost Effectiveness

2012-06-14 Thread Ricardo Pietrobon
hi Noah, you might want to look at http://goo.gl/KqXpJ -- haven't played with it, and was actually surprised because whenever i think about decision trees -- which as you know are completely different from CART type of models -- i tend to think of excel add-ons or treeage. interested in learning wh

Re: [R] Re-post data format question (apologies)

2009-02-07 Thread Ricardo Pietrobon
Drew, would look at the reshape package On Sat, Feb 7, 2009 at 2:47 PM, Drew Garey wrote: > Hello all, > > > > I have a *.csv file that looks like this (actual file is orders of > magnitude > larger): > > > > Site taxa no.ind > > forestLMA

Re: [R] converting a data set to a format for time series analysis

2008-06-11 Thread Ricardo Pietrobon
cases=nrow(a), > + year=a$year[1], month=a$month[1], beds=a$hospital[1]))) >hospital cases year month beds > 2002.01.hospitalA hospitalA 2 200201 hospitalA > 2002.02.hospitalB hospitalB 1 200202 hospitalB > 2002.03.hospitalC hospitalC 1

Re: [R] converting a data set to a format for time series analysis

2008-06-09 Thread Ricardo Pietrobon
1/3/2002 300 200201 > 2 2 hospitalA1/6/2002 300 200201 > 3 3 hospitalB2/4/2002 150 200202 > 4 4 hospitalC3/2/2002 200 200203 >> >> > > > On Mon, Jun 9, 2008 at 12:45 PM,

[R] converting a data set to a format for time series analysis

2008-06-09 Thread Ricardo Pietrobon
I currently have a data set describing human subjects enrolled into an international clinical trial, the name of the hospital enrolling this human subject, the date when the subject was enrolled, and a vector with variables representing characteristics of the site (e.g., number of beds in a hospita

[R] diagnostic meta-analyses

2008-05-17 Thread Ricardo Pietrobon
List members, has anybody developed functions or formal R packages to conduct meta-analysis of diagnostic tests? What I have in mind is something along the lines of Meta-DiSc (http://www.biomedcentral.com/1471-2288/6/31) thanks Ricardo __ R-help@r-pr

[R] computational ontology to research questions, and statistical methods

2008-05-05 Thread Ricardo Pietrobon
our group at Duke is currently attempting to connect two data sets fed through a web-based system, one containing research questions (i.e., variables positioned with certain roles) and a database of statistical methods. this connection is done informally in a number of R packages and related softw

Re: [R] Input appreciated: R teaching idea + a way to improve R-

2007-10-23 Thread Ricardo Pietrobon
> > R-help@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, reproducible code. >

Re: [R] Input appreciated: R teaching idea + a way to improve R-wiki

2007-10-21 Thread Ricardo Pietrobon
Bill, very interesting comment. However, do you believe that by posting these tutorials on a wiki they could, even if initially faulty, be improved by the community over time? Ricardo On 10/22/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > > I think you need to see how things work before m

[R] R and FDA trials

2007-10-07 Thread Ricardo Pietrobon
Yesterday I just noticed the new document on R and regulatory aspects for biomedical research posted at http://www.r-project.org/doc/R-FDA.pdf Coming from an institution that performs a large number of clinical trials for FDA and being an advocate of R myself, I have found that the following issue

Re: [R] Updating packages for R 2.6.0

2007-10-04 Thread Ricardo Pietrobon
you got it. works perfectly now. thanks On 10/4/07, Gabor Csardi <[EMAIL PROTECTED]> wrote: > You need to install the libc6-dev ubuntu package to be able > to compile programs. > > sudo apt-get install libc6-dev > > Gabor > > On Thu, Oct 04, 2007 at 09:54:26AM

Re: [R] Updating packages for R 2.6.0

2007-10-04 Thread Ricardo Pietrobon
I must be making some really basic mistake, since I keep getting an error message when using update.packages(checkBuilt=TRUE, ask=FALSE) - an example for MASS is below. I am running ubuntu 7.04, with a clean install done today of version 2.6.0 straight from the R repository. here is the message: