[R] Multiv. NR

2004-12-12 Thread Benilton Carvalho
Do you know if R has any multiv. Newton-Raphson routine implemented? __ [EMAIL PROTECTED] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html

[R] Frailty Model - parameter inferences

2004-02-13 Thread Benilton Carvalho
Hi, I've been trying to find how to extract the inference info about \theta ... Is there any easy way to do it? Thanks, Benilton _ Create your own personal Web page with the info you use most, at My MSN.

[R] Failing to install on Linux FC4

2006-11-08 Thread Benilton Carvalho
, Benilton Carvalho PhD Candidate Department of Biostatistics Johns Hopkins University __ R-help@stat.math.ethz.ch 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

Re: [R] Selective subsetting

2006-11-10 Thread Benilton Carvalho
A=matrix(1:9,3) A[lower.tri(A)] b On Nov 10, 2006, at 4:50 PM, Davendra Sohal wrote: Hi all, Here's an interesting (for me, at least!) problem I came across: I have a correlation matrix, let's say with 6 variables, A to F, as column headings and the same 6 as row headings. The matrix is

Re: [R] R Help

2006-11-11 Thread Benilton Carvalho
data = read.delim(lahore.txt) is enough for what you want to do. b On Nov 11, 2006, at 2:11 PM, amna khan wrote: Respected Sir I request you to please fill the following read.table function and read.csvfor my understanding by assuming my data attached with this maiL, because I am fail to

Re: [R] segfault 'memory not mapped', dual core problem?

2006-11-12 Thread Benilton Carvalho
Mea culpa. Please accept my apologies... The problem was fixed on R-2.4.0 (final) and what I reported was on R-2.4.0 alpha. Good job of Martin, by the way... The problem was fixed and I didn't notice (given that I was always using my work-around). benilton

Re: [R] I think a simple question

2006-11-12 Thread Benilton Carvalho
does getIdx - function(tmpin, x){ tmp2 = tmpin + x out = sort(c(tmpin, tmp2)) out = out[out=max(tmpin)] return(out) } do what you want? b On Nov 12, 2006, at 5:20 PM, Leeds, Mark ((IED)) wrote: I have index ( of a vector ) values of say tempin-c(1 31 61 91 121 all the way

Re: [R] indexing question

2006-11-13 Thread Benilton Carvalho
diff(tmp[idx]) cheers, b On Nov 13, 2006, at 3:06 PM, Leeds, Mark ((IED)) wrote: I have the following set of indices, call it idx, that correspond to the indices of a vector say temp. [1] 31 36 41 61 66 71 91 96 101 121 126 131 151 156 161 181 186 191 211

[R] Problem with file size

2006-11-13 Thread Benilton Carvalho
Hi everyone, I have 2 environments (2 different R sessions) as described below: Session 1: Name of the environment: CrlmmInfo Objects in the environment: index1: logical index - length 238304 index2: logical index - length 238304 priors: list of 4 - (matrix 6x6, 2 vectors of length

Re: [R] how to check a R object's property

2006-11-14 Thread Benilton Carvalho
check class() but if all you want is to test whether it's a data.frame or not: is.data.frame() b On Nov 14, 2006, at 3:07 PM, Weiwei Shi wrote: Hi, I am writing a generic function and need to check if an arg is a data frame or not. I could use is.null(dim(x)) to get what i want. But i

Re: [R] Creating a table

2006-11-14 Thread Benilton Carvalho
tb = table(df$loc, cut(df$year, seq(1970, 1985, by=5), right=F)) rs = rowSums(tb) tb = cbind(tb, rs) cs = colSums(tb) tb = rbind(tb, cs) cheers, b On Nov 14, 2006, at 3:20 PM, Michael Graber wrote: Dear R List, I am a new to R, so my question may be easy to answer for you: I have a

Re: [R] trouble loading example package

2006-11-15 Thread Benilton Carvalho
How do you build your packages? have you tried R CMD build --binary mypkg b On Nov 16, 2006, at 12:32 AM, Charles Annis, P.E. wrote: Greetings: I've installed Rtools, MikTeX, perl, minGW, and HTML Help Workshop, and have succeeded in making, checking (using R CMD check mypkg) then

Re: [R] modifying colnames of tables in a loop

2006-11-16 Thread Benilton Carvalho
how about: for (x in l) colnames(get(x)) - lower.case(colnames(get(x))) b On Nov 16, 2006, at 9:01 AM, Werner Wernersen wrote: Hi, I have a list with the names of tables, e.g. l - c(t1,t2,t3) and I want to change the colnames of each of the tables in a for loop like this: for (x in l) {

Re: [R] Counting zeros in a matrix

2006-11-28 Thread Benilton Carvalho
countZerosBeforeOnes - function(v) sum(v[1:max(which(v == 1))] == 0) apply(A, 1, countZerosBeforeOnes) cheers, b On Nov 28, 2006, at 4:20 PM, Guenther, Cameron wrote: Hi All, If you could help me with this problem I would greatly appreciate it. Suppose I have a matrix A: 1 1 1 1 0 1

[R] tests for NULL objects

2006-11-29 Thread Benilton Carvalho
Hi Everyone, After searching the subject and not being successful, I was wondering if any you could explain me the idea behind the following fact: all(NULL == 2) ## TRUE any(NULL == 2) ## FALSE Thanks a lot, Benilton -- Benilton Carvalho PhD Candidate Department of Biostatistics Johns

Re: [R] tests for NULL objects

2006-11-29 Thread Benilton Carvalho
without breaking a lot of code, I'm sure. Bert Gunter Nonclinical Statistics 7-7374 -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Benilton Carvalho Sent: Wednesday, November 29, 2006 2:21 PM To: R-Mailingliste Subject: [R] tests for NULL

Re: [R] tests for NULL objects

2006-11-29 Thread Benilton Carvalho
On Nov 29, 2006, at 7:54 PM, Martin Morgan wrote: http://en.wikipedia.org/wiki/Empty_set which says, in part: Operations on the empty set ... 'any' is like 'sum', 'all' is like 'prod'. Martin Thank you very much Martin. It's clear now. Benilton

Re: [R] require(simecol) error

2006-12-06 Thread Benilton Carvalho
The output of sessionInfo() will be helpful here. But I can't reproduce that on R 2.4.0 Patched r40106 + simecol (0.3-11). Maybe you should upgrade the package? b On Dec 6, 2006, at 5:06 PM, Milton Cezar Ribeiro wrote: Hi there, I´m trying to use simecol package but I got the error

Re: [R] expression()

2006-12-12 Thread Benilton Carvalho
mtext(expression(beta[max]), side=1, line=2) is it what you want? b On Dec 12, 2006, at 10:59 AM, javier garcia-pintado wrote: Hi, I'm trying to use expression() to write a text to a graphic in the margin. Using: mtext(expression(beta),side=1,line=2) writes a perfect beta greek

Re: [R] install.packages

2006-12-13 Thread Benilton Carvalho
install.packages(plotrix) b. On Dec 13, 2006, at 1:42 PM, Aimin Yan wrote: I try to type this in my R-winEdt. but I got these. Do you know? Aimin install.packages('http://rh-mirror.linux.iastate.edu/CRAN/bin/ windows/contrib/2.4/plotrix_2.1-6.zip') Warning in download.packages(pkgs,

Re: [R] min() return factor class values

2007-01-09 Thread Benilton Carvalho
Milton, have you looked at the structure of your data.frame? str(especies.aicc) Are you sure especies.aicc is defined as numeric? b On Jan 9, 2007, at 10:51 AM, Milton Cezar Ribeiro wrote: Dear Peter, I tryed something like head(especies.aicc) especie aicc 1

Re: [R] R graphics with Linux (libpng)

2007-01-11 Thread Benilton Carvalho
I forgot to mention that bitmap() will do what you want without an X11 connection. b On Jan 11, 2007, at 1:09 PM, Rebecca Tagett wrote: Hello, I'm trying to adapt some R code that works on Windows so that it will work on a Linux machine. The command : png(myFile.png, width=600,

Re: [R] R graphics with Linux (libpng)

2007-01-11 Thread Benilton Carvalho
Hi Rebecca, png (and also jpeg, for example) require an X11 connection. So, assuming you're working from the command line and that your X11 server is up, you would need to do something like: linux$ export DISPLAY=:0.0 before loading R... and if your linux machine is remote (and you're

Re: [R] sort dataframe by field

2007-01-17 Thread Benilton Carvalho
say your data.frame is called df df[order(df$evidence),] or df[order(df$evidence, decreasing=T),] # if you want the other way around. b On Jan 17, 2007, at 11:21 AM, Milton Cezar Ribeiro wrote: Hi there, How can I sort (order?) a data.frame using a dataframe field (evidence) as

Re: [R] how to get the index of entry with max value in an array?

2007-01-17 Thread Benilton Carvalho
which.max() b On Jan 17, 2007, at 11:20 PM, Feng Qiu wrote: Hi all: A short question: For example, a=[3,4,6,2,3], obviously the 3rd entry of the array has the maxium value, what I want is index of the maxium value: 3. is there a neat expression to get this index?

[R] Suggestion on how to improve efficiency when using MASS:::hubers on high-dimensional arrays

2007-01-19 Thread Benilton Carvalho
, D, 3, 2)) library(MASS) myHubers - function(x) if (length(x)1) as.numeric(hubers(x)) else c(NA, NA) for (n in 1:N) for (d in 1:D){ tmp - outcome[n,,d] grp - classes[n,] results[n, d,,] - t(sapply(split(tmp, factor(grp, levels=1:3)), myHubers)) } ## end -- Benilton

Re: [R] Bartlett test

2007-01-19 Thread Benilton Carvalho
The null hypothesis is that the variances do not differ across groups. The Bartlett test is sensitive to non-normality and that might lead you to consider something more robust (eg, Levene's test). b On Jan 19, 2007, at 9:04 AM, Matthieu Mourroux wrote: Bonjour, Je voudrais tester

Re: [R] Installing packages...

2007-01-23 Thread Benilton Carvalho
well, i don't use RGui, but trying: install.packages(neural, type=source) ## from the R command line i could not reproduce the error (which may be a problem with the copy on the mirror you're using)... b On Jan 23, 2007, at 3:09 PM, Nüzhet Dalfes wrote: Hi, I am a total newbie to R. I am

Re: [R] package servers

2007-01-23 Thread Benilton Carvalho
go to R / Preferences / Startup than you'll know what to do when you see: Default CRAN mirror. b On Jan 23, 2007, at 8:03 PM, Paul Gowder wrote: Hi everyone... Here's a good one. I'm using the R installation for mac osx. An overly helpful friend tried to download a couple of packages for

Re: [R] filling the area

2007-01-25 Thread Benilton Carvalho
take a look at: ?polygon b On Jan 25, 2007, at 8:18 AM, Mauricio Cardeal wrote: Please, how to fill the area under the curve? x - c(1:10) y - c(rnorm(10)) plot(x,y) lines(x,y) Thanks, Mauricio Cardeal __ R-help@stat.math.ethz.ch mailing

Re: [R] strange behaviour with equality after simple subtraction

2007-01-26 Thread Benilton Carvalho
In addition to Mike's comment: x-c(0.1,0.9) 1-x[2] [1] 0.1 x[1]==1-x[2] [1] FALSE all.equal(x[1], 1-x[2]) [1] TRUE b On Jan 26, 2007, at 11:40 AM, Mike Prager wrote: Not at all strange, an expected property of floating-point arithmetic and one of the most frequently asked questions

Re: [R] Inverse fuction of ecdf

2007-01-28 Thread Benilton Carvalho
?quantile b On Jan 28, 2007, at 5:41 PM, Geoffrey Zhu wrote: Hi Everyone, I want to generate some random numbers according to some empirical distribution. Therefore I am looking for the inverse of an empirical cumulative distribution function. I haven't found any in R. Can anyone give a

Re: [R] lmer2 error under Mac OS X on PowerPC G5 but not on Dual-Core Intel Xeon

2007-01-29 Thread Benilton Carvalho
lattice 0.9975-11 0.9975-8 0.14-16 On Jan 29, 2007, at 7:40 AM, Michael Kubovy wrote: On Jan 28, 2007, at 9:39 PM, Benilton Carvalho wrote: This seems to be due to the fact that you didn't have enough memory when running lmer2. I might be wrong, but I think Calloc tries to get

Re: [R] jump in sequence

2007-01-30 Thread Benilton Carvalho
is it sth like: as.integer(sapply(seq(4, 22, by=9), seq, length.out=3)) you're looking for? b On Jan 30, 2007, at 9:29 AM, Adrian DUSA wrote: Dear list, This should be a simple one, I just cannot see it. I need to generate a sequence of the form: 4 5 6 13 14 15 22 23 24 That is:

Re: [R] Quick Question about R

2007-01-31 Thread Benilton Carvalho
suppressWarnings(a - as.numeric(c(1, 2, pi, a, 9, z))) b On Jan 31, 2007, at 2:35 PM, Konrad wrote: Hello, Is there a way to convert a character to a number with out getting a warning? I have a vector that has both numbers and letters in it and I need to convert it to only numbers. At

Re: [R] Help with efficient double sum of max (X_i, Y_i) (X Y vectors)

2007-02-01 Thread Benilton Carvalho
Well, a reproducible example would be nice =) not tested: x = rnorm(10) y = rnorm(20) mymax - function(t1, t2) apply(cbind(t1, t2), 1, max) sum(outer(x, y, mymax)) is this sth like what you need? b On Feb 1, 2007, at 1:18 PM, Jeffrey Racine wrote: Greetings. For R gurus this may be a no

Re: [R] Affymetrix data analysis

2007-02-01 Thread Benilton Carvalho
The bioconductor mailing list is probably a better place to ask this type of question. [EMAIL PROTECTED] But we also need to know what arrays are you working with, what the errors are, what your sessionInfo() is Let us know, ok? b On Feb 1, 2007, at 5:46 PM, Tristan Coram wrote: Hi,

[R] predict on biglm class

2007-02-12 Thread Benilton Carvalho
could create the linear predictor by chunks (and therefore get the predictions). Is there a better way of doing this? Thank you very much. Benilton Carvalho Department of Biostatistics Bloomberg School of Public Health Johns Hopkins University __ R-help

Re: [R] Start and Restart R over SSH

2007-02-19 Thread Benilton Carvalho
Hi Nils, if the server you're using is *NIX, this is what you can do: example ssh [EMAIL PROTECTED] screen R do what you need in R close the terminal without quitting R ssh [EMAIL PROTECTED] screen -r continue working in R %% end example the problem is if you need X... it works

Re: [R] linux gplots install unhappy

2007-02-20 Thread Benilton Carvalho
well, it's complaining because you don't have gtools installed. how about: install.packages(gplots, dep=T) ? b On Feb 20, 2007, at 1:17 PM, Randy Zelick wrote: Hello all, I use R on both windows and a mainframe linux installation (RedHat enterprise 3.0, which they tell me is soon to be

Re: [R] returns from dnorm and dmvnorm

2007-02-26 Thread Benilton Carvalho
well, nobody said that the density must be smaller than 1, right? :-) it's just the value of the normal density function at the point you asked. you may try doing that by hand and, with the correct math, you'll get the same thing. b On Feb 26, 2007, at 3:03 PM, A Hailu wrote: Hi All, Why

Re: [R] Is there a quick way to count the number of times each element in a vector appears?

2007-03-05 Thread Benilton Carvalho
is this what you mean? tmp - combinations(3, 3, rep=TRUE) colSums(apply(tmp, 1, duplicated))+1 b On Mar 6, 2007, at 1:16 AM, Dylan Arena wrote: Hi there, I'm writing a function that calculates the probability of different outcomes of dice rolls (e.g., the sum of the highest three rolls of

Re: [R] Is there a quick way to count the number of times each element in a vector appears?

2007-03-05 Thread Benilton Carvalho
(...) apply(tmp, 1, function(v) table(factor(v, levels=1:3))) might be what you actually meant. sorry for the confusion, b On Mar 6, 2007, at 2:00 AM, Benilton Carvalho wrote: is this what you mean? tmp - combinations(3, 3, rep=TRUE) colSums(apply(tmp, 1, duplicated))+1 b On Mar 6, 2007, at 1

Re: [R] substitute variable

2007-03-26 Thread Benilton Carvalho
say your data frame is called tmp tmp$PRODUCTS[tmp$PRODUCTS 70] - NA b On Mar 26, 2007, at 12:31 PM, Sergio Della Franca wrote: Dear R-Helpers, I want to substitute the contents of a variable under some contitions. I.e., I have this data set: YEAR PRODUCTS 1 80 2

Re: [R] substitute variable

2007-03-26 Thread Benilton Carvalho
and tmp$PRODUCTS[tmp$PRODUCTS 20] - NA. How can i perform this double condition in the same code? 2007/3/26, Benilton Carvalho [EMAIL PROTECTED]: say your data frame is called tmp tmp$PRODUCTS[tmp$PRODUCTS 70] - NA b On Mar 26, 2007, at 12:31 PM, Sergio Della Franca wrote: Dear R

Re: [R] How to drop variables using a wildcard and logic...

2007-03-26 Thread Benilton Carvalho
if 'test' is your data frame... test[, grep([tT]$, names(test))] b On Mar 26, 2007, at 3:06 PM, [EMAIL PROTECTED] wrote: Dear R users I would like to make a new dataframe from an existing dataframe, retaining ONLY those variables that end in the letter t I have searched the help

Re: [R] .duplicate question

2007-03-28 Thread Benilton Carvalho
have you tried replacing .duplicate() in your my.causality() by vars:::.duplicate() ? b On Mar 28, 2007, at 3:11 PM, Leeds, Mark ((IED)) wrote: I am using the vars package and it calls a function causality() which then calls something called .duplicate. I had to modify the causality

Re: [R] string into command

2007-03-28 Thread Benilton Carvalho
cmd = mylist = list(a = 5, b = 7) (eval(parse(text=cmd))) b On Mar 28, 2007, at 11:38 AM, Brian Dolan wrote: Hello, I would like to take the string mylist = list(a = 5, b = 7) and evaluate it as a list. I have attempted to use parse and several other functions with no success.

Re: [R] pattern search

2007-04-04 Thread Benilton Carvalho
how about: length(gregexpr(the, Text)[[1]]) ? b On Apr 4, 2007, at 10:49 AM, Schmitt, Corinna wrote: Dear R-experts, I'm looking for an easy possibility for pattern search. I have got a string and a special pattern. I would like to know if the pattern appears in the string, if yes where

Re: [R] How do I print a string without the initial [1]?

2007-04-18 Thread Benilton Carvalho
x=a\n cat(x) a On Apr 18, 2007, at 5:31 PM, steve wrote: If I print a sting I get an initial [1]: xx=a xx [1] a How do I get it to print just a __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE

Re: [R] like apply(x,1,sum), but using multiplication?

2007-05-07 Thread Benilton Carvalho
see ?prod b On May 7, 2007, at 2:25 PM, Jose Quesada wrote: Hi, I need to multiply all columns in a matrix so something like apply(x,2,sum), but using multiplication should do. I have tried apply(x,2,*) I know this must be trivial, but I get: Error in FUN(newX[, i], ...) : invalid unary

[R] names of objects in .rda

2007-05-11 Thread Benilton Carvalho
Hi everyone, sorry if this was discussed before (and in this situation, could you please point me to the discussion in the archive? My search didn't seem to be effective). Is there a way of getting the names of objects in a .rda file without having to load it? Thank you very much,

[R] Efficient computation of trimmed stats?

2007-05-14 Thread Benilton Carvalho
system elapsed 399.928 0.019 399.988 does not look interesting for me. Maybe some package has some implementation of the above? Thank you very much, -b -- Benilton Carvalho PhD Candidate Department of Biostatistics Bloomberg School of Public Health Johns Hopkins University [EMAIL PROTECTED

Re: [R] conversion into capital letter

2007-05-15 Thread Benilton Carvalho
help(toupper) b On May 15, 2007, at 2:41 AM, [EMAIL PROTECTED] wrote: Dear all, I would need a function which convert small letter into capital letter (at least the first letter of a character variable). Does such a function exist in R ? Thanks by advance Jessica -- Benilton

Re: [R] help with executing instruction every i-th run of loop

2007-05-17 Thread Benilton Carvalho
/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. -- Benilton Carvalho PhD Candidate Department of Biostatistics Bloomberg School of Public Health Johns Hopkins University [EMAIL

Re: [R] error message

2007-05-22 Thread Benilton Carvalho
install.packages(RMySQL, dep=T) should fix it for you. b ps: The error says RMySQL is the problem... it is not complaining about R itself (although it would not be a bad idea, given that the latest R is v 2.5.0, so it would be a better idea to start by upgrading your R) On May 22, 2007,

Re: [R] What is the maximum size of a matrix?

2007-06-01 Thread Benilton Carvalho
AFAIK, it only depends on how much free memory you have. b On Jun 1, 2007, at 5:05 PM, Guanrao Chen wrote: hi, Rers I tried to find out the max size (# of rows, # of columns) of a matrix that is allowed by R but failed. Can anybody let me know? Thanks! Guanrao

Re: [R] Windows source in Linux

2007-06-01 Thread Benilton Carvalho
iconv on your linux box should do the work. b On Jun 1, 2007, at 7:19 PM, Alberto Vieira Ferreira Monteiro wrote: I have a windows source file.r, with the default charset of windows. I can't use it in Linux as source(file.r), because Linux's default is Unicode. How can I read it? Alberto

Re: [R] Why is the R mailing list so hard to figure out?

2007-06-04 Thread Benilton Carvalho
Well, I have my email client to organize everything by thread... which does the work for me... ethz: Eidgenössische Technische Hochschule Zürich ch: Confœderatio Helvetica best, b On Jun 4, 2007, at 7:25 PM, Robert Wilkins wrote: Why does the R mailing list need such an unusual and

[R] name of the variable that will contain the result of a function

2007-06-06 Thread Benilton Carvalho
) was used insted, I'd like to get NA. thank you very much, b -- Benilton Carvalho PhD Candidate Department of Biostatistics Bloomberg School of Public Health Johns Hopkins University [EMAIL PROTECTED] __ R-help@stat.math.ethz.ch mailing list https

Re: [R] How to do clustering

2007-06-07 Thread Benilton Carvalho
sorry, I hit send before finishing my thoughts... and as for clustering microarray data, you might want to consider the bioconductor mailing list... [EMAIL PROTECTED] b On Jun 7, 2007, at 10:42 PM, ssls sddd wrote: Dear List, I have another question to bother you about how to do

Re: [R] How to do clustering

2007-06-07 Thread Benilton Carvalho
Hi Alex, just in case you're trying to get genotypes from the Affymetrix 500K set, you might want to check the oligo package available on BioConductor. best, b On Jun 7, 2007, at 10:42 PM, ssls sddd wrote: Dear List, I have another question to bother you about how to do clustering. My

Re: [R] find position

2007-06-10 Thread Benilton Carvalho
which(a == .4)[1] b On Jun 10, 2007, at 4:45 AM, gallon li wrote: find the position of the first value who equals certain number in a vector: Say a=c(0,0,0,0,0.2, 0.2, 0.4,0.4,0.5) i wish to return the index value in a for which the value in the vector is equal to 0.4 for the first

Re: [R] p-value from GEE why factor 2*pnorm?

2007-06-11 Thread Benilton Carvalho
the recommendation was to use lower.tail=FALSE. b On Jun 11, 2007, at 11:21 AM, Carmen Meier wrote: I got an answer for the other question (thank you) But there is another question (I am afraid this is a basic question ...) In this tread there is a hint hwo to calculate the p-vlue of

Re: [R] p-value from GEE why factor 2*pnorm?

2007-06-11 Thread Benilton Carvalho
get 1) and z=1.96 (you should get 5%) b On Jun 11, 2007, at 11:34 AM, Carmen Meier wrote: Benilton Carvalho schrieb: the recommendation was to use lower.tail=FALSE. b O but then the results are significant and this does not match the observation. The results are matching the observations

Re: [R] Rearranging Capture History Data in R

2007-06-11 Thread Benilton Carvalho
date = c(1, 1, 1, 1, 2, 2, 3, 3, 4) tag = c(1, 2, 3, 4, 2, 4, 1, 2, 4) table(factor(tag, levels=1:4), factor(date, levels=1:4)) (not sure how you got Tag 1/Date 4 = 1) On Jun 11, 2007, at 3:11 PM, [EMAIL PROTECTED] wrote: What code can i use to convert a table like this: Tag#Date 1

[R] Build Windows pkgs from source - online

2007-06-12 Thread Benilton Carvalho
Hi, First of all, I apologize for sending out this message, as I'm sure the answer is on the archives, but I just can't find it. Not long ago, there was a discussion about building Windows packages from the source code and someone posted a link to a website to which we could submit the

[R] plot via xyplot not being saved

2007-06-15 Thread Benilton Carvalho
Hi everyone, it's been a while I've been trying to save a plot created via lattice:::xyplot if I have a file tst.R with the following code: y - rnorm(100) x - rnorm(100) z - sample(letters[1:4], 100, rep=T) library(lattice) bitmap(tst.png) xyplot(y~x|z) dev.off() and I source it, I get the

Re: [R] plot via xyplot not being saved

2007-06-15 Thread Benilton Carvalho
() } test(100) ## end test.R source(test.R, echo=T) also fails in this case... thanks a lot, b On Jun 15, 2007, at 8:53 PM, [EMAIL PROTECTED] wrote: On 6/15/07, Benilton Carvalho [EMAIL PROTECTED] wrote: Hi everyone, it's been a while I've been trying to save a plot created via lattice

Re: [R] plot via xyplot not being saved

2007-06-15 Thread Benilton Carvalho
replaced xyplot() by plot(). Thank you very much, b On Jun 16, 2007, at 12:26 AM, [EMAIL PROTECTED] wrote: On 6/15/07, Benilton Carvalho [EMAIL PROTECTED] wrote: So, if those statements are inside a function, I have to make my function to have an 'echo' argument/functionality? eg.: ## begin

Re: [R] Creating directory under Windows R session

2007-06-20 Thread Benilton Carvalho
?dir.create b On Jun 20, 2007, at 8:07 AM, Milton Cezar Ribeiro wrote: Hi all, How can I create (and check the existence of) a directory in a R session under Windows(xp)? Kind regards, Miltinho __ R-help@stat.math.ethz.ch mailing list

Re: [R] create matrix from comparing two vectors

2007-06-26 Thread Benilton Carvalho
outer(test, fac, ) -b On Jun 26, 2007, at 2:13 PM, Van Campenhout Bjorn wrote: hi all, sorry for this basic question, I think I know I should use ? apply, but it is really confusing me... I want to create a matrix by comparing two vectors. Eg: test-seq(1:10) fac-c(3,6,9) and i want

Re: [R] stack multiple plots on one page

2007-06-28 Thread Benilton Carvalho
or just type: pairs.default b On Jun 28, 2007, at 2:36 PM, Henrique Dallazuanna wrote: https://svn.r-project.org/R/branches/R-2-5-branch/src/library/ graphics/R/pairs.R -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40 S 49° 16' 22 O On 28/06/07, Jiong Zhang, PhD [EMAIL

Re: [R] why this doesn't work for qqnorm

2007-06-28 Thread Benilton Carvalho
qqnorm(table[,1]) is what you want, isn't it? and other forms would include: par(ask=TRUE) results = apply(table, 2, qqnorm) par(ask=FALSE) b On Jun 28, 2007, at 9:50 PM, Jiong Zhang, PhD wrote: I want to qqnorm every column in a table. When I try the first column using

[R] Comparison: glm() vs. bigglm()

2007-06-29 Thread Benilton Carvalho
Hi, Until now, I thought that the results of glm() and bigglm() would coincide. Probably a naive assumption? Anyways, I've been using bigglm() on some datasets I have available. One of the sets has 15M observations. I have 3 continuous predictors (A, B, C) and a binary outcome (Y). And

Re: [R] Comparison: glm() vs. bigglm()

2007-06-29 Thread Benilton Carvalho
[1] -93196.69 Thank you very much for the suggestion, I'll give it a try. Best, benilton On Jun 29, 2007, at 11:05 AM, Peter Dalgaard wrote: Benilton Carvalho wrote: Hi, Until now, I thought that the results of glm() and bigglm() would coincide. Probably a naive assumption? Anyways, I've

Re: [R] A More efficient method?

2007-07-04 Thread Benilton Carvalho
C1 - rep(-1, length(Cat)) C1[Cat == b]] - 1 b On Jul 4, 2007, at 9:44 AM, Keith Alan Chamberlain wrote: Dear Rhelpers, Is there a faster way than below to set a vector based on values from another vector? I'd like to call a pre-existing function for this, but one which can also handle

Re: [R] Source inside source

2007-07-16 Thread Benilton Carvalho
the smarter thing is to write a package, so you don't need source() at all. but your problem will be fixed if you use the full path instead: source(/home/user/dir1/dir2/file2.R) (and obviously you could pass the path as an argument to whatever function you're using...) b On Jul 16, 2007,

Re: [R] data.restore() in R 2.5.1 for Windows 95 and later

2007-07-16 Thread Benilton Carvalho
The R Data Import/Export also says that this function is in the foreign package. :-) b On Jul 16, 2007, at 11:38 PM, Brad Christoffersen wrote: To Whom It May Concern: I want to read in an S-PLUS data dump and I used data.restore(filepath/filename) (in R 2.5.1 for Windows 95 and

Re: [R] Classification

2007-07-18 Thread Benilton Carvalho
maybe: x = c(.2, .1, .8, .3, .7, .6, .01, .2, .5, 1, 1) breaks = seq(0, 1, .2) LETTERS[1:(length(breaks)-1)][cut(x, breaks)] b On Jul 18, 2007, at 1:50 PM, Doran, Harold wrote: Michael Assume your data frame is called data and your variable is called V1. Converting this to a factor is:

Re: [R] Fw: Do GLM by groups

2007-07-19 Thread Benilton Carvalho
Check the following example for by(): require(stats) attach(warpbreaks) by(warpbreaks, tension, function(x) lm(breaks ~ wool, data = x)) or just type: example(by) b On Jul 19, 2007, at 1:18 PM, Hongmei Jia wrote: Dear All, I'm trying to do 'glm' analysis by groups just

Re: [R] Dataframe of factors transform speed?

2007-07-19 Thread Benilton Carvalho
it looks like that whatever method you used to genotype the 1002 samples on the STY array gave you a transposed matrix of genotype calls. :-) i'd use: genoT = read.table(yourFile, stringsAsFactors = FALSE) as a starting point... but I don't think that would be efficient (as you'd need to

Re: [R] Dataframe of factors transform speed?

2007-07-20 Thread Benilton Carvalho
)) ## ## user system elapsed 119.288 0.004 119.339 (for all 240K) best, b ps: note that out is a list. On Jul 20, 2007, at 2:01 AM, Latchezar Dimitrov wrote: Hi, -Original Message- From: Benilton Carvalho [mailto:[EMAIL PROTECTED] Sent: Friday, July 20, 2007 12:25 AM

Re: [R] automatically jpeg output

2007-07-20 Thread Benilton Carvalho
jpeg(...) ##if you have X11 bitmap(..., type=jpeg) ##otherwise b On Jul 20, 2007, at 11:34 AM, Ding, Rebecca wrote: Dear R users, I used R to draw many histograms and I would like to automatically save them into a jpeg file. I tried the following code since I know .ps file could be

Re: [R] Column-mean-values for targeted rows

2007-07-20 Thread Benilton Carvalho
set.seed(123) N = 3 K = 400 theData = matrix(rnorm(N*K), ncol=K) theData = as.data.frame(theData) theData = cbind(indicator = sample(0:1, N, rep=T), theData) system.time(results - colMeans(subset(theData, indicator == 1))) user system elapsed 2.309 1.319 3.853 b On Jul 20,

Re: [R] avoiding timconsuming for loop renaming identifiers

2007-07-20 Thread Benilton Carvalho
as.integer(factor(dta[[school_id]])) b On Jul 20, 2007, at 9:26 PM, [EMAIL PROTECTED] wrote: Hi All I was wondering if I can avoid a time-consuming for loop on my 60 obs dataset. school_id y 8 9.87 8 8.89 8 7.89 8 8.88 20 6.78

Re: [R] Write columns from within a list to a matrix?

2007-07-22 Thread Benilton Carvalho
test - lapply(1:3, function(i) cbind(runif(15), rnorm(15,2))) sapply(test, [, 16:30) b On Jul 22, 2007, at 3:39 PM, [EMAIL PROTECTED] wrote: Hello, I think I have a mental block when it comes to working with lists. lapply and sapply appear to do some magical things, but I can't seem

Re: [R] Write columns from within a list to a matrix?

2007-07-22 Thread Benilton Carvalho
oh! and if you want to be less ad-hoc: sapply(test, function(x) x[,2]) b On Jul 22, 2007, at 3:50 PM, Benilton Carvalho wrote: test - lapply(1:3, function(i) cbind(runif(15), rnorm(15,2))) sapply(test, [, 16:30) b On Jul 22, 2007, at 3:39 PM, [EMAIL PROTECTED] wrote: Hello, I think I

Re: [R] apply incompatible dimensions error

2007-07-24 Thread Benilton Carvalho
are you positive that your function is doing what you expect it to do? it looks like you want something like: sapply(1:10, function(i) cor(mat1[i,], mat2[i,])) b On Jul 24, 2007, at 11:05 AM, Bernzweig, Bruce ((Consultant)) wrote: Hi, I've created the following two matrices (mat1 and mat2)

Re: [R] apply incompatible dimensions error

2007-07-24 Thread Benilton Carvalho
is calculate correlations on a row against row basis: mat1 row1 x mat2 row1, mat1 row1 x mat2 row2, ... mat1 row1 x mat2 row-n, mat1 row-n, mat2 row-n - Bruce -Original Message- From: Benilton Carvalho [mailto:[EMAIL PROTECTED] Sent: Tuesday, July 24, 2007 11:31 AM To: Bernzweig

Re: [R] generating symmetric matrices

2007-07-30 Thread Benilton Carvalho
after dat.cor use: Rmat[lower.tri(Rmat)] - dat.cor Rmat - t(Rmat) Rmat[lower.tri(Rmat)] - dat.cor b On Jul 27, 2007, at 11:28 PM, Gregory Gentlemen wrote: Greetings, I have a seemingly simple task which I have not been able to solve today. I want to construct a symmetric matrix of

Re: [R] xtable with vector

2007-07-30 Thread Benilton Carvalho
a - matrix(1:6, nr=1) colnames(a) - paste(col, 1:6) xtable(a) On Jul 28, 2007, at 12:39 PM, Stefan Nachtnebel wrote: Hello, Is there a possibility to use xtable with a vector to generate a latex table? I always get an error, that no applicable method is available. For example: b-1:12

Re: [R] Positioning text in top left corner of plot

2007-08-07 Thread Benilton Carvalho
maybe this is what you want? plot(rnorm(10)) legend(topleft, A), bty=n) ? b On Aug 7, 2007, at 11:08 AM, Daniel Brewer wrote: Simple question how can you position text in the top left hand corner of a plot? I am plotting multiple plots using par(mfrow=c(2,3)) and all I want to do is

Re: [R] length of a string

2007-09-05 Thread Benilton Carvalho
As long as you keep in mind Prof. Ripley's comment, you're going to be fine with nchar(). http://tolstoy.newcastle.edu.au/R/e2/devel/07/05/3450.html Remember that what you want exactly is given by nchar(obj, type=chars), which is **NOT** the default on R 2.5.1 (only on R-2.6.0). In your

Re: [R] SQL like function?

2007-09-06 Thread Benilton Carvalho
observation %in% ID b On Sep 7, 2007, at 1:40 AM, Takatsugu Kobayashi wrote: Hi RUsers, I am wonder if I can search observations whose IDs matches any of the values in another vector, such as in MySQL. While I am learing MySQL for future database management, I appreciate if anyone could