Le mercredi 18 janvier 2012 à 06:11 -0800, Scott Raynaud a écrit :
> I'm setting up a Linux box to run R. I ususally run in a Windows
> envrionment but after
> reading the docs I'm not sure what to expect in terms of the front end
> appearance in
> Linux. Does it resemble Windows or will I need
Le mardi 17 janvier 2012 à 23:56 -0800, Jhope a écrit :
> I am wondering if anyone can tell me what the error I'm receiving means
> below. I thought it said that Aeventexhumed should be converted to a factor,
> so I tried to do so and received the following error.
>
> Please advise. J
> -
Le lundi 16 janvier 2012 à 14:14 +0100, Poul Kristensen a écrit :
> I am new to R.
>
> My goal is to make a crosstable from a Apache access.log, which I want
> to load into PostgreSQL database at first to
> learn more abour R and DBI and datatypes. When the I have got the
> access.log in the datab
Le lundi 16 janvier 2012 à 13:07 +0100, Julien Velcin a écrit :
> Ok but unfortunately JGR doesn't work when run as root! I think this
> is because the packages needed (e.g., rWeka) are installed locally
> (for the user). The installation "at system level (in R framework)"
> fails:
>
> "Curr
Le lundi 16 janvier 2012 à 11:27 +0100, Julien Velcin a écrit :
> I had already seen this post. If I'm logged as root (it is possible
> under macosx), here is the result:
>
> * First run:
>
> > reuters <- tm_map(reuters, stemDocument)
> Error in .jnew(name) :
>java.lang.InternalError: Can'
Le dimanche 15 janvier 2012 à 23:06 +0100, Julien Velcin a écrit :
> I use the version 1.6:
>
> $ java -version
> java version "1.6.0_26"
OK, so nothing wrong on that side.
FWIW, I've found another person with the same problem:
https://list.scms.waikato.ac.nz/pipermail/wekalist/2010-June/048895.h
Le dimanche 15 janvier 2012 à 15:43 -0600, Tengfei Yin a écrit :
> Hi dear all,
>
> I cannot find ggExtra source code or install it by
>
> install.packages("ggExtra", repos="http://R-Forge.R-project.org";)
This package has been removed, it's been marked as deprecated by its
author:
http://groups.
Le vendredi 13 janvier 2012 à 15:49 +0100, Julien Velcin a écrit :
> Dear all,
>
> I have some troubles using the stemming algorithm provided by the tm
> (text mining) + Snowball packages.
> Here is my config:
>
> MacOS 10.5
> R 2.12.0 / R 2.13.1 / R 2.14.1 (I have tried several versions)
>
>
Le vendredi 13 janvier 2012 à 09:00 -0800, pl.r...@gmail.com a écrit :
> I need help with creating custom xml reader for use with the tm package. The
> objective is to crate a corpus for analysis. Files that I'm working with
> come from solr and are in a funky XML format never the less I'm able t
Le jeudi 05 janvier 2012 à 23:52 -0800, arunkumar a écrit :
> HI
>
> I want to remove an element from a list or character. i can any of the class
> type
>
> like
>
> cat= [1] "mac" "med"
>
> if my input is 2 i need to remove med and if my input is one i need to
> remove mac from cat
This
Le jeudi 05 janvier 2012 à 16:51 +0100, Christof Kluß a écrit :
> Hi
>
> I want to do something like
>
> a <- c(10,20,15,43,76,41,25,46)
> tab <- data.frame(a)
>
> name <- "a"
>
> for (v in unique(tab[[name]])) {
> r <- subset(tab, name==v) # this does not work
> ...
> }
>
> i.e. a "stri
Le mardi 03 janvier 2012 à 11:39 -0800, gregory benison a écrit :
> If one attempts to install RODBC (via install.packages('RODBC'))
> without having an ODBC driver installed, this error message results:
>
> checking sqlext.h presence... no
> checking for sqlext.h... no
> configure: error: "ODBC h
Le mercredi 04 janvier 2012 à 08:41 -0500, Dan Abner a écrit :
> Hello everyone,
>
> I have the following call to sapply() and error message. Is the most
> efficient way to deal with this to make sum(!is.na(x)) a function in a
> separate line prior to this call? If not, please advise.
>
> N.Valid
Le mercredi 04 janvier 2012 à 09:27 +, Bonnett, Laura a écrit :
> Dear all,
>
> As I said in my previous email I have just upgraded to R 2.14.0 on Windows 7.
> I have just run the 'coxph' function and notice that a Concordance statistic
> is produced. Is there any way to extract this infor
Le mercredi 04 janvier 2012 à 09:04 +, Bonnett, Laura a écrit :
> Dear all,
>
> I have recently upgraded to R 2.14.0 with Windows 7. I wish to use
> the command 'cph' but the Design library is no longer on the list of
> installable packages. How can I install Design so that I may use the
> '
Le vendredi 30 décembre 2011 à 12:46 -0800, thebennjammin a écrit :
> I have fit an accelerated failure time model using coxph, and have what seems
> to be a simple question that I can't figure out.
Please specify the exact package, functions and actual code you use.
coxph(), as the name says, ru
Le mardi 20 décembre 2011 à 11:11 +0100, Michael Haenlein a écrit :
> Dear all,
>
> is there a function similar to extractAIC based on which I can extract the
> BIC (Bayesian Information Criterion) of a coxph model?
> I found some functions that provide BIC in other packages, but none of them
> se
Le jeudi 15 décembre 2011 à 21:15 +0100, Trying To learn again a écrit :
> Hi all,
>
> I have a matrix
> a<-c(2,3,4,Inf)
>
> > b<-as.matrix(a)
> [,1]
> [1,]2
> [2,]3
> [3,]4
> [4,] Inf
>
> > range(b, finite=TRUE)[2] (this is the maximum)
> [1] 4
>
> There is a pre-def function
Le lundi 05 décembre 2011 à 19:01 -0600, Michael a écrit :
> head, tail and fix commands don't really work well if I have large
> matrix/array for which I would like to be able to scroll up and dow, left
> and right ...
>
> Could anybody please help me?
RKWard has a good data editor, and you can o
Le mercredi 30 novembre 2011 à 18:41 +0100, Göran Broström a écrit :
> On Wed, Nov 16, 2011 at 3:06 PM, Milan Bouchet-Valat
> wrote:
> Hi list!
>
>
> I'm getting an error message when trying to fit an accelerated
> failure
>
Le lundi 28 novembre 2011 à 12:07 +0100, Ana a écrit :
> How can i replicate this in Linux:
> source(file.choose())
>
>
> I've tried source(tkgetOpenFile()) but with no luck
Try this instead (it works here):
source(tclvalue(tkgetOpenFile()))
Cheers
__
Le vendredi 25 novembre 2011 à 00:02 -0800, Dhaynes a écrit :
> Hello,
>
> I am new to R.
> I have multidimensional array (379,2,3) and I need to create a series of
> linear regressions (379 to be exact)
> I have the array stored properly I believe, but I can not use the
> lm(myarray[1,1,1:3]~myar
Le vendredi 18 novembre 2011 à 15:06 +, Mario Giesel a écrit :
> Hello, list,
>
> I've been struggling with this task for a while looking for an efficient way
> to solve it:
> There are two variables 'price' and 'mentioned'.
> I want to 'enlarge' data so that missing price points within the p
Le vendredi 18 novembre 2011 à 16:09 +0100, Jaensch, Steffen [TIBBE] a
écrit :
> Hi all,
>
> Can somebody explain why length("") returns 1 and not 0?
Probably because it contains one element, "".
> How do I test if a given string is the empty string?
a <- ""
a == ""
[1] TRUE
Seems to be enough to
Le vendredi 18 novembre 2011 à 04:45 -0800, Gyanendra Pokharel a écrit :
> Hi all, following is my R -code and shows the error given below
> > n <- 100
> > k<-2
> > x1 <-c(1, 3);x2 <- c(2,5)
> > X <- matrix(c(0,0), nrow = 2, ncol = n)
> > for(i in 1:k)
> + X[i, ] <- mh1.epidemic(n,x1[i],x2[i])
> Er
Le jeudi 17 novembre 2011 à 21:34 -0500, R. Michael Weylandt a écrit :
> Hi Josh,
>
> You're absolutely right. I suppose one could set up some sort of S3
> thing for Henri's problem:
>
> c <- function(..., recursive = FALSE) UseMethod("c")
> c.default <- base::c
> c.corpus <- function(..., recurs
Le mercredi 16 novembre 2011 à 20:02 -0800, Quercus a écrit :
> Hey everyone,
>
> I am new to R, and I'm making a scatter plot graph where i have a bunch of
> plots/points that fall into 9 unique categories. I want each category to
> have a unique colour, however, with the coding I have (below),
Le mercredi 16 novembre 2011 à 06:12 -0800, arunkumar a écrit :
> Hi
>
> I have a data frame and i need to change the date format in it.
> my dataframe
>
> X Date
> 1 1/1/2009
> 2 2/1/2009
> 3 3/1/2009
>
> I need to change it to 2009-01-01
See ?as.Date. In your case, I think you should use
Hi list!
I'm getting an error message when trying to fit an accelerated failure
time parametric model using the aftreg() function from package eha:
> Error in optim(beta, Fmin, method = "BFGS", control = list(trace =
> as.integer(printlevel)), :
> non-finite finite-difference value [2]
This
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