Re: [R] rggobi is crashing R-2.7.0

2008-05-06 Thread Mark Kimpel
Hard as it is for me to imagine, the ggobi windows stay open and functional while R (in emacs) has crashed in the background after throwing the error messages. As a perhaps naive Linux user, I thought that if a parent process crashed any processes it spawned would crash too. I guess not in this cas

Re: [R] figure margins too large for a barplot in png, pdf ok

2008-05-06 Thread Prof Brian Ripley
What were H & W? For png() they are (by default) in pixels, for pdf() in inches. You haven't told us your OS, but I guess Mac OS. Please update to R 2.7.0: that offers you two new png() devices for higher-quality plots, and various other improvements. (If you want to use the cairo-based png

Re: [R] [BioC] RCurl loading problem with 64 bit linux distribution

2008-05-06 Thread Mark Kimpel
Duncan, I know have two version of libcurl on my system, the Ubuntu installed 7.18.0 and my newly compiled from source 7.18.1 (which I installed after my problems began with RCurl). I was afraid to uninstall 7.18.0 because Synaptic wanted to uninstall half of my system if I did so via my package m

Re: [R] Installing A2R in Windows

2008-05-06 Thread Prof Brian Ripley
On Tue, 6 May 2008, Kate wrote: Thanks. I used the command you mention and it works fine in Linux. But I need to get it to work for Windows XP as well (currently running R-2.7.0). Any idea if it's possible? Yes, same commmand works -- I've just tested it. You need the tools installed, or to

[R] Not to draw the xaxis ticks in ggplot2

2008-05-06 Thread ronggui
>library(ggplot2) >(p<- qplot(mpg, wt, data=mtcars)) What I am doing is to set color of the ticks to hide them. >grid.gedit(gPath("xaxis", "ticks"), gp=gpar(col="white")) It should be a better way to achieve the purpose. Thanks. __ R-help@r-project.org

Re: [R] [BioC] RCurl loading problem with 64 bit linux distribution

2008-05-06 Thread Duncan Temple Lang
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi all ~ I'm glad this made it to R-help (or R-devel) so that I saw it as this is the sort of problem that should be at least CC'ed to the package maintainer. ~ Yes, there was a change to RCurl yesterday with one of the changes being to synchron

Re: [R] interpreting significance of path coefficients from sem() output

2008-05-06 Thread jebyrnes
Michael, As a general rule of thumb (I believe this is in Jim Grace's book, if not others) one should use 10-20 observations per variable. If you have 5 variables, and 18 observations, you should probably be a bit suspect of your results. That said, if some of your paths are indeed non-signific

Re: [R] [BioC] RCurl loading problem with 64 bit linux distribution

2008-05-06 Thread Mark Kimpel
Martin, Well, thanks for jumping in! We need all the help we can get ;) I changed the execute bit as you suggested and recompiled, no luck, still the same error message. Below is the output you wanted me to look at, its a bit beyond me so I include both a brief grep summary and then the whole en

[R] interpreting significance of path coefficients from sem() output

2008-05-06 Thread Michael Rennie
Hi there, Quick question about the output from the sem() function in the library of the same name. If I am getting probabilities >0.05 for some of my estimates of path coefficients, I'm assuming the interpretation here is that the coefficient is not significantly different from zero, correc

Re: [R] categorical data analysis

2008-05-06 Thread Simon Blomberg
But see these posts: http://finzi.psych.upenn.edu/R/Rhelp02a/archive/119079.html http://finzi.psych.upenn.edu/R/Rhelp02a/archive/119080.html Simon. On Tue, 2008-05-06 at 13:38 -0600, Greg Snow wrote: > Fisher's exact test works with small cells. See ?fisher.test > > -- > Gregory (Greg) L. Sno

Re: [R] convert S-Plus function to R function

2008-05-06 Thread Gabor Grothendieck
R News 4/1 has an article on this dates and the last page contains a table with many date idioms. On Tue, May 6, 2008 at 10:00 PM, Roslina Zakaria <[EMAIL PROTECTED]> wrote: > Hi R-expert, > If I have this daily rainfall data, how do call a particular set of data? > > Year,Month,Day,Amount > 1981,

Re: [R] figure margins too large for a barplot in png, pdf ok

2008-05-06 Thread Charilaos Skiadas
On May 6, 2008, at 10:43 PM, Alexy Khrabrov wrote: I've used to have a script with a barplot command it in, preceded by a png: png(graph.file,height=H,width=W) barplot(t,names.arg=breaks[2:(length(t)+1)],tck=gridlines) -- worked before R 2.6.2. When I tried it in R 2.6.2, which I have for

[R] figure margins too large for a barplot in png, pdf ok

2008-05-06 Thread Alexy Khrabrov
I've used to have a script with a barplot command it in, preceded by a png: png(graph.file,height=H,width=W) barplot(t,names.arg=breaks[2:(length(t)+1)],tck=gridlines) -- worked before R 2.6.2. When I tried it in R 2.6.2, which I have for a while but didn't run with that script, it complain

Re: [R] Estimating QAIC using glm with the quasibinomial family

2008-05-06 Thread Kunio takezawa
R-users E-mail: r-help@r-project.org >My question is: Will this calculation be valid with the residual deviance >returned by the glm() function using the quasibinomial family as >reported in R? Let me show you a simple example, assuming c=2.5: function () { xx <- c(1,2,3,4,5,6,7,8,9,10)

[R] Help with Mixed effect modeling in R

2008-05-06 Thread Kulkarni, Rohit
Hi everyone, I want to fit the following mixed effect model Y_ij = b_0i + b_1i * (t_ij*grp_ij == 1) + b_2i * (t_ij*grp_ij == 2) + v_0i + v_1i*t_ij + e_ij with a different covariance matrix of random effects for each group. (Y is the response t is time grp is the group indic

Re: [R] categorical data analysis

2008-05-06 Thread David Winsemius
raymond chiruka <[EMAIL PROTECTED]> wrote in news:[EMAIL PROTECTED]: > i am trying to carry out a categorical data analysis but my problem > is that when in i use the chi squared test some of my expected > values are less than 5. is there a test that can handle this > situation. the data is no

Re: [R] Automatically generating new column names (and columns)

2008-05-06 Thread Jorge Ivan Velez
Hi Esmail, Try this: # A simple example set.seed(123) X=matrix(rnorm(100*5),ncol=5) colnames(X)=c("Y",paste("X",1:4,sep="")) X[1:5,] Y X1 X2 X3 X4 [1,] -0.56047565 -0.7104066 2.1988103 -0.7152422 -0.07355602 [2,] -0.23017749 0.2568837 1.3124130 -0.7526890 -1.16

[R] convert S-Plus function to R function

2008-05-06 Thread Roslina Zakaria
Hi R-expert, If I have this daily rainfall data, how do call a particular set of data? Year,Month,Day,Amount 1981,1,1,0 1981,1,2,0 1981,1,3,78 1981,1,4,22 1981,1,5,2 1981,1,6,0 1981,1,7,0 1981,1,8,0 1981,1,9,0 1981,1,10,10 1981,1,11,0 1981,1,12,108 1981,1,13,328 1981,1,14,10 1981,1,15,0 1981,1,16,

[R] Automatically generating new column names (and columns)

2008-05-06 Thread Esmail Bonakdarian
Once again I need to tap into the collective knowledge here. Let's say I have the following columns and data below Y X1 X2 X3 X4 I would like to generate additional new columns and column names (ie the data would be squared - and I'd like the column names to reflect this) like: Y X1 X2 X3 X4

Re: [R] Spatial join between two datasets using x and y co-ordinates

2008-05-06 Thread Steven McKinney
> > -Original Message- > From: [EMAIL PROTECTED] on behalf of Yasir Kaheil > Sent: Tue 5/6/2008 4:24 PM > To: r-help@r-project.org > Subject: Re: [R] Spatial join between two datasets using x and y co-ordinates > > > vector dat1.select is the selected records from dat1 by dat2. > > > d

Re: [R] To preserve the class "Matrix"

2008-05-06 Thread David Winsemius
"Shubha Vishwanath Karanth" <[EMAIL PROTECTED]> wrote in news:[EMAIL PROTECTED]: > Thank you very much Mark! That worked Just a question, ?[ does > give an error to me...how do I find it? Try: ?"[" __ R-help@r-project.org mailing list https://sta

[R] RODBC sqlSave with multiple schema in DB2

2008-05-06 Thread Aliza R Heching
Hi, I am trying to use sqlSave to write a dataframe to an existing table in a DB2 database. The database contains two schemas. My experience is the following: (1) in the case that tablename is left empty in sqlSave, R writes to the instance level schema (2) in the case that a tablename is spec

[R] loess model with different percentile

2008-05-06 Thread Anh Tran
Hi all, I'm looking for a way to use loess model (?loess) with a different percentile (instead of median). I hope I made myself clear enough. Here's and example: a<-data.frame(x=seq(1:200),y=200*rnorm(200)) lss<-loess(y~x,a) predict(lss, 120) will give a local median of that dataset. How about a

[R] Estimating QAIC using glm with the quasibinomial family

2008-05-06 Thread dgillis
Hello R-list. I am a "long time listener - first time caller" who has been using R in research and graduate teaching for over 5 years. I hope that my question is simple but not too foolish. I've looked through the FAQ and searched the R site mail list with some close hits but no direct a

Re: [R] Spatial join between two datasets using x and y co-ordinates

2008-05-06 Thread Jorge Ivan Velez
Hi Andrew, Try also: x1<-c(1824615,1823650,1821910) y1<-c(5980732,5983220,5990931) descript<-c("cat", "dog", "horse") dat1<-data.frame(x1,y1,descript) x2<-c(1824615,1823650) y2<-c(5980732,5983220) dat2<-data.frame(x2,y2) colnames(dat2)=c('x1','y1') merge(dat1,dat2,by=c('x1','y1')) HTH, Jorge

Re: [R] Spatial join between two datasets using x and y co-ordinates

2008-05-06 Thread Yasir Kaheil
vector dat1.select is the selected records from dat1 by dat2. > dat1.select<- dat1$x1 %in% dat2$x2 & dat1$y1 %in% dat2$y2 > dat1[dat1.select,] x1 y1 descript 1 1824615 5980732 cat 2 1823650 5983220 dog Andrew McFadden wrote: > > Hi R users > > I am trying to create a sp

[R] mgcv::gam shrinkage of smooths

2008-05-06 Thread David Katz
In Dr. Wood's book on GAM, he suggests in section 4.1.6 that it might be useful to shrink a single smooth by adding S=S+epsilon*I to the penalty matrix S. The context was the need to be able to shrink the term to zero if appropriate. I'd like to do this in order to shrink the coefficients towards

Re: [R] Spatial join between two datasets using x and y co-ordinates

2008-05-06 Thread Peter Alspach
Andrew ?merge HTH .. Peter Alspach > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Andrew McFadden > Sent: Wednesday, 7 May 2008 9:23 a.m. > To: r-help@r-project.org > Subject: [R] Spatial join between two datasets using x and y > co-ordin

Re: [R] Installing A2R in Windows

2008-05-06 Thread Kate
Thanks. I used the command you mention and it works fine in Linux. But I need to get it to work for Windows XP as well (currently running R-2.7.0). Any idea if it's possible? On Tue, May 6, 2008 at 5:18 PM, Prof Brian Ripley <[EMAIL PROTECTED]> wrote: > How did you install it? > > You need to get

Re: [R] Is there in R a function equivalent to the mround, as found in most spreadsheets?

2008-05-06 Thread hadley wickham
> > I believe this function matches the description in OOO: > > mround <- function(number, multiple) multiple * round(number/multiple) I've implemented a slightly more general form in the reshape package: round_any <- function (x, accuracy, f = round) { f(x/accuracy) * accuracy } Hadley -

[R] Spatial join between two datasets using x and y co-ordinates

2008-05-06 Thread Andrew McFadden
Hi R users I am trying to create a spatial join between two datasets. The first data set is large and contains descriptive data including x and y co-ordinates. The second dataset is small and has been selected spatially. The only data contained within the second dataset is the x and y coordina

Re: [R] Type I or III SS with mixed model function lme

2008-05-06 Thread John Fox
Dear Bill, I expect that the problem is in the contrasts that your student used for A and B, though I haven't thought specifically about the context of a mixed model. If he or she used the default contr.treatment(), then the contrasts for different factors (and the interaction) are not orthogonal

[R] Simulation Case/Control R Beginner

2008-05-06 Thread Claire_6700
I am looking for a way to simulate genotypes of cases and control at a disease locus in R. I am supposed to set the allele frequency as control/cases. for each of the column below simulate 200 snp dataset. I am looking at treesim function from popgen to stimulate the genotypes in R. Here is what

[R] ridge regression

2008-05-06 Thread Rodrigo Briceño
Thanks to all of you that helped me with the issues of bootstrapping and downloading packages to a local disk. As an starter I'm in the lower side of the learning curve, but this R software is awesome. What I like most is this kind of forums when people share their problems and we can find solution

Re: [R] NLS plinear question

2008-05-06 Thread Prof Brian Ripley
0^(-0.2) = Inf, so you started with an infinite prediction for your first point and hence an infinite sum of squares. On Tue, 6 May 2008, Rick DeShon wrote: Hi All. I've run into a problem with the plinear algorithm in nls that is confusing me. Assume the following reaction time data over 15

Re: [R] Dendrogram label size

2008-05-06 Thread Peter Alspach
Alex > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Alex Reynolds > Sent: Wednesday, 7 May 2008 12:26 a.m. > To: r-help@r-project.org > Subject: [R] Dendrogram label size > > Is it possible to resize the labels in a dendrogram without > applying

Re: [R] NLS plinear question

2008-05-06 Thread Katharine Mullen
recall that 0 ^{-.2} = 1/0^{.2}, and that dividing by 0 gives Inf. so when 0 is in trl, part of your model for RT is Inf: > trl <- 0:14 > p <- -.2 > cbind(1,trl, trl^p) trl [1,] 1 0 Inf [2,] 1 1 1.000 [3,] 1 2 0.8705506 [4,] 1 3 0.8027416 [5,] 1 4 0.7578583 [6,] 1

Re: [R] unable to use functions require DLL from package "base"

2008-05-06 Thread Prof Brian Ripley
I suspect you have more than one version of R installed and are mixing them up. Those symbols have been in package stats for quite a while. Try starting R with --vanilla, and if that works, clean out your startup files (see ?Startup). If not, remove all your R installations and reinstall R 2

Re: [R] Installing A2R in Windows

2008-05-06 Thread Prof Brian Ripley
How did you install it? You need to get A2R_0.0-4.tar.gz and do R CMD INSTALL A2R_0.0-4.tar.gz, after reading the 'R Installation and Administration manual, especially the sections for your OS. The package in A2R/lastVersion/ was built for Unix on R 2.2.1. An expert might be able to get it w

[R] NLS plinear question

2008-05-06 Thread Rick DeShon
Hi All. I've run into a problem with the plinear algorithm in nls that is confusing me. Assume the following reaction time data over 15 trials for a single unit. Trials are coded from 0-14 so that the intercept represents reaction time in the first trial. trl RT 01132.0 1 630.5 2

Re: [R] rggobi is crashing R-2.7.0

2008-05-06 Thread Michael Lawrence
On Tue, May 6, 2008 at 10:32 AM, Mark Kimpel <[EMAIL PROTECTED]> wrote: > I am running 64-bit Ubuntu 8.04 and when I invoke rggobi the interactive > graph displays but R crashes. See my sessionInfo() and a short example > below. Ggobi and rggobi installed without complaints. Mark > > > sessionInfo

Re: [R] ggplo2: x_discrete labels size/direction

2008-05-06 Thread Mikhail Spivakov
Hi Xavier, Changing the grid settings has worked! Thanks a lot! Mikhail PS Perhaps it'd still be really useful to be able to change text direction in labels. Hadley, what do you think? -- View this message in context: http://www.nabble.com/ggplo2%3A-x_discrete-labels-size-direction-tp1707747

Re: [R] Count data in random Forest

2008-05-06 Thread Volker Bahn
Hi Birgit, I'm not sure that I understand your question. I'll try to answer anyways. Regression trees and therefore also RandomForests are invariant to monotonic transformations in the independent variables. There are no distributional assumptions for the independent variables. The dependent

Re: [R] Print table data on to a plot

2008-05-06 Thread Greg Snow
Look at the addtable2plot function in the plotrix package. -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare [EMAIL PROTECTED] (801) 408-8111 > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Anh Tran > Sent: Tuesday,

Re: [R] Print table data on to a plot

2008-05-06 Thread Jorge Ivan Velez
Hi Anh, Take a look at http://finzi.psych.upenn.edu/R/Rhelp02a/archive/128041.html HTH, Jorge On Tue, May 6, 2008 at 3:46 PM, Anh Tran <[EMAIL PROTECTED]> wrote: > Hi, > Is there away to print a short table out along side with a plot? > I'm thinking about doing a > > par(mfrow = c(1,2)) > > T

[R] Print table data on to a plot

2008-05-06 Thread Anh Tran
Hi, Is there away to print a short table out along side with a plot? I'm thinking about doing a par(mfrow = c(1,2)) Then, the plot is on one side, summary result on the other. Is there any quick way to print out a data.frame in table format? Thanks -- Regards, Anh Tran [[alternative HT

Re: [R] building a formula string bit by bit ..

2008-05-06 Thread Esmail Bonakdarian
Jorge Ivan Velez wrote: Hi Esmail, Try this: vars=c('X.1', 'X.2', 'X.3', 'X.4', 'X.5') bits=c(1, 0, 1, 1, 0) paste(vars[which(bits==1)],collapse="+") HTH, Jorge Wow .. that is beautiful :-) .. and exactly what I was looking for (and suspected existed). I ended up doing this: eqn=(paste

[R] ridge regression

2008-05-06 Thread Rodrigo Briceño
Thanks to all of you that helped me with the issues of bootstrapping and downloading packages to a local disk. As an starter I'm in the lower side of the learning curve, but this R software is awesome. What I like most is this kind of forums when people share their problems and we can find solution

Re: [R] How do I write a sum of matrixes??

2008-05-06 Thread Vincent Goulet
Le mar. 06 mai à 14:23, Alberto Monteiro a écrit : 3) Bill Venables offered this about a week ago in this list: -- This is probably as good a way as any way for this kind of problem. First define a binary operator: "%^%" <- function(x, n) with(eigen(x), vectors %*% (values^

Re: [R] categorical data analysis

2008-05-06 Thread Greg Snow
Fisher's exact test works with small cells. See ?fisher.test -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare [EMAIL PROTECTED] (801) 408-8111 > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of raymond chiruka > Sent:

Re: [R] building a formula string bit by bit ..

2008-05-06 Thread Marc Schwartz
Marc Schwartz wrote: Esmail Bonakdarian wrote: Hello, Still a newbie with R, though I have learned a lot from reading this list. I'm hoping someone can help with this question: I have two vectors, one for variables, and one for bits. I want to build a string (really a formula) based on the va

[R] Installing A2R in Windows

2008-05-06 Thread Kate
Hi there, I've tried to install the A2R package using the files from http://addictedtor.free.fr/packages/A2R/lastVersion/ This is the error I get when trying to load the library: library(A2R) Error in library(A2R) : 'A2R' is not a valid package -- installed < 2.0.0? Can anyone please help? Th

Re: [R] building a formula string bit by bit ..

2008-05-06 Thread Charilaos Skiadas
I would actually go with this: bits=c(1, 0, 1, 1, 0) paste("X", which(bits==1), sep=".",collapse="+") No need for the vars variable. Though admittedly it breaks down if bits is identically 0. Haris Skiadas Department of Mathematics and Computer Science Hanover College On May 6, 2008, at 3:1

Re: [R] building a formula string bit by bit ..

2008-05-06 Thread Marc Schwartz
Esmail Bonakdarian wrote: Hello, Still a newbie with R, though I have learned a lot from reading this list. I'm hoping someone can help with this question: I have two vectors, one for variables, and one for bits. I want to build a string (really a formula) based on the values in my vector of 1

Re: [R] building a formula string bit by bit ..

2008-05-06 Thread Jorge Ivan Velez
Hi Esmail, Try this: vars=c('X.1', 'X.2', 'X.3', 'X.4', 'X.5') bits=c(1, 0, 1, 1, 0) paste(vars[which(bits==1)],collapse="+") HTH, Jorge On Tue, May 6, 2008 at 3:06 PM, Esmail Bonakdarian <[EMAIL PROTECTED]> wrote: > Hello, > > Still a newbie with R, though I have learned a lot from reading

[R] building a formula string bit by bit ..

2008-05-06 Thread Esmail Bonakdarian
Hello, Still a newbie with R, though I have learned a lot from reading this list. I'm hoping someone can help with this question: I have two vectors, one for variables, and one for bits. I want to build a string (really a formula) based on the values in my vector of 1s and 0s in bits. If I have

Re: [R] Concatenate a vector into a string, only using distinct component

2008-05-06 Thread Dimitris Rizopoulos
probably you want: stg <- c('a', 'b', 'c', 'a', 'c') paste(unique(stg), collapse = ", ") I hope it helps. Best, Dimitris -- Dimitris Rizopoulos Ph.D. Student Biostatistical Centre School of Public Health Catholic University of Leuven Address: Kapucijnenvoer 35, Leuven, Belgium Tel: +32/(0)16

Re: [R] list manipulation

2008-05-06 Thread Thompson, David (MNR)
Thanks Mark, Your suggestion led me to this: > !is.null(lapply(ls(pattern='bn'), function(y) cat(y, dim(get(y)), "\t", names(get(y)), "\n"))) bn1993 2885 11 oplt rplt rsiz tree bd ht oaz odst raz rdst spr bn1994 3158 7oplt tree bd ht spr stat dam bn1995 734 7 oplt tree bd ht spr stat

Re: [R] How do I write a sum of matrixes??

2008-05-06 Thread Jorge Ivan Velez
Hi Pascal, I think the function could be better but try this: # Function: M is your matrix and n MUST be an integer>0 mat.pow<-function(M,n) { result<-M if(n>1){ for ( iter in 2:n) result<-M%*%result result } else {result} result } # The matrix m <- rbind(c

Re: [R] Concatenate a vector into a string, only using distinct component

2008-05-06 Thread Jorge Ivan Velez
Hi Anh, Try this, x=c('a','b','c','a','c') paste(unique(x),collapse=", ") [1] "a, b, c" HTH, Jorge On Tue, May 6, 2008 at 2:22 PM, Anh Tran <[EMAIL PROTECTED]> wrote: > I'm trying to use combine c('a','b','c','a','c') into 'a, b, c', the order > does not matter. > > paste(c('a','b','c','a','c

Re: [R] How do I write a sum of matrixes??

2008-05-06 Thread Alberto Monteiro
> 3) Bill Venables offered this about a week ago in this list: > -- > This is probably as good a way as any way for this kind of problem. > First define a binary operator: > > > "%^%" <- function(x, n) > with(eigen(x), vectors %*% (values^n * t(vectors))) > This example only w

[R] list manipulation

2008-05-06 Thread Thompson, David (MNR)
Hello, I have a set of one-liners (many thanks to previous responses from this list) that I use to look at newly imported data sets with functions like dim(), names(), str(), etc. within lapply(). Generally, these commands work for me but, I am apparently still missing some aspect of list manipula

[R] Concatenate a vector into a string, only using distinct component

2008-05-06 Thread Anh Tran
I'm trying to use combine c('a','b','c','a','c') into 'a, b, c', the order does not matter. paste(c('a','b','c','a','c'), collapse=', ') yields 'a, b, c, a, c'. Any idea? -- Regards, Anh Tran [[alternative HTML version deleted]] __ R-help@r-

[R] Type I or III SS with mixed model function lme

2008-05-06 Thread Bill Shipley
Hello, I have come across a result that I cannot explain, and am hoping that someone else can provide an answer. A student fitted a mixed model using the lme function: out<- lme(fixed=Y~A+B+A:B, random=~1|Site). Y is a continuous variable while A and B are factors. The data set is balanced with

Re: [R] General Plotting Question

2008-05-06 Thread Yasir Kaheil
the data frames work as follows: columns= variables and rows= records. when you plot with a data frame it's logical to plot one variable against another not one record against another. with casting into a matrix and rotating then casting back into a dataframe, you made your records variables.. thi

Re: [R] substring

2008-05-06 Thread Weidong Gu
?gsub() Match the start (_) followed by anything (.*) and replace by "" gsub("_.*","",Name) Weidong Gu, Department of Medicine University of Alabama, Birmingham 1900 University Blvd., Birmingham, Alabama 35294 PH: (205)-975-9053 -Original Message- From: [EMAIL PROTECTED] [mailto:[EMA

Re: [R] General Plotting Question

2008-05-06 Thread stephen sefick
Thanks for the help- It worked just fine: This will cast my ignorance across the table, but here it goes. Why do I need to make them a matrix? because they are in a row? if d <- as.matrix(f) f.t <- t(d) f.m <- as.data.frame(f.t) now I could use just the following plot(f.m[c(rownumber), column],

Re: [R] Plotting separate populations in scatterplot3d

2008-05-06 Thread Yasir Kaheil
#Install library rgl #here is the function which you need to run first: rgl.plot3d<-function(z, x, y, cols="red",axes=T,new=T) {xr<-range(x) x01<-(x-xr[1])/(xr[2]-xr[1]) yr<-range(y) y01<-(y-yr[1])/(yr[2]-yr[1]) zr<-range(z) z01<-(z-zr[1])/(zr[2]-zr[1]) if(new) rgl.clear() if(axes)

[R] substring

2008-05-06 Thread Qian R
I have a data frame such as Name DISC1_5916 DABC2_789 ABCD_1234 I want to substring column Name so that DISC1 DABC2 ABCD ... Thanks. - [[elided Yahoo spam]] [[alternative HTML version deleted]] __

[R] Plotting separate populations in scatterplot3d

2008-05-06 Thread Eleca Dunham
Hi, I'm having trouble plotting populations as separate colors and points in the 3d scatterplot package. I have a column with 4 different population names and 3 columns with my data. I want to plot each population with a different color and pch. In addition, I want to use the type="h" in my plotti

[R] Solving for parameter values at likelihood points

2008-05-06 Thread Rubén Roa-Ureta
ComRades, On Oct 16, 2006, I posted a question regarding how to find the parameter values that made the likelihood function take a value equal to 1/8th of the maximum likelihood value. There was no reply but I found a solution and would like to know if there is a better solution using the funct

[R] rggobi is crashing R-2.7.0

2008-05-06 Thread Mark Kimpel
I am running 64-bit Ubuntu 8.04 and when I invoke rggobi the interactive graph displays but R crashes. See my sessionInfo() and a short example below. Ggobi and rggobi installed without complaints. Mark > sessionInfo() R version 2.7.0 Patched (2008-05-04 r45620) x86_64-unknown-linux-gnu locale: L

Re: [R] General Plotting Question

2008-05-06 Thread Jorge Ivan Velez
Try also: x1=as.numeric(f[2,4:26]) y1=as.numeric(f[1,4:26]) plot(x1,y1) HTH, Jorge On Tue, May 6, 2008 at 12:43 PM, stephen sefick <[EMAIL PROTECTED]> wrote: > f <- (structure(list(X = structure(96:97, .Label = c("119DAmm", "119DN", > "119DNN", "119DO", "119DOC", "119Flow", "119Nit", "119ON",

Re: [R] General Plotting Question

2008-05-06 Thread Duncan Murdoch
On 5/6/2008 12:43 PM, stephen sefick wrote: f <- (structure(list(X = structure(96:97, .Label = c("119DAmm", "119DN", "119DNN", "119DO", "119DOC", "119Flow", "119Nit", "119ON", "119OPhos", "119OrgP", "119Phos", "119TKN", "119TOC", "148DAmm", "148DN", "148DNN", "148DO", "148DOC", "148Flow", "148Nit

Re: [R] General Plotting Question

2008-05-06 Thread Yasir Kaheil
cast the two vectors as.matrix-- see here: plot(as.matrix(f[2,4:26]), as.matrix(f[1,4:26])) y stephen sefick wrote: > > f <- (structure(list(X = structure(96:97, .Label = c("119DAmm", "119DN", > "119DNN", "119DO", "119DOC", "119Flow", "119Nit", "119ON", "119OPhos", > "119OrgP", "119Phos", "11

[R] trouble installing Rmpi on 64-bit Ubuntu 8.04 with openmpi

2008-05-06 Thread Mark Kimpel
Subject pretty much says it all. I am running 64-bit Ubuntu 8.04, i.e. Hardy Heron, have openmpi installed, and get the following error message with attempted install of Rmpi. sessionInfo() follows. Mark checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat

[R] "Negative memory size": -1012.854

2008-05-06 Thread Søren Højsgaard
Dear all, With R.2.7.0 (on windows XP) I have encountered what seems to be a "negative memory size". If I use gc() afterwards the R goes down. I use R_alloc for *most* memory allocations in my C-routines: > memory.size() [1] 11.08132 > dyn.load("rconipm.dll") > dyn.unload("rconipm.dll")

Re: [R] Is there in R a function equivalent to the mround, as found in most spreadsheets?

2008-05-06 Thread Yasir Kaheil
Hi Ottorino, You could just use the modulus operator "%%" as follows: > x<-c(1803.02, 193.51, 3.47); > x-x%%c(50,5,1) #just using the modulus operator [1] 1800 1903 thanks Dr. Ottorino-Luca Pantani wrote: > > Dear R-users, > I have the following problem > > In a lab experiment I have to

Re: [R] General Plotting Question

2008-05-06 Thread Gabor Grothendieck
Try: x <- unlist(f[2, 4:26]) y <- unlist(f[1, 4:26]) plot(x, y) On Tue, May 6, 2008 at 12:43 PM, stephen sefick <[EMAIL PROTECTED]> wrote: > f <- (structure(list(X = structure(96:97, .Label = c("119DAmm", "119DN", > "119DNN", "119DO", "119DOC", "119Flow", "119Nit", "119ON", "119OPhos", > "119OrgP

[R] General Plotting Question

2008-05-06 Thread stephen sefick
f <- (structure(list(X = structure(96:97, .Label = c("119DAmm", "119DN", "119DNN", "119DO", "119DOC", "119Flow", "119Nit", "119ON", "119OPhos", "119OrgP", "119Phos", "119TKN", "119TOC", "148DAmm", "148DN", "148DNN", "148DO", "148DOC", "148Flow", "148Nit", "148ON", "148OPhos", "148OrgP", "148Phos",

Re: [R] Is there in R a function equivalent to the mround, as found in most spreadsheets?

2008-05-06 Thread Duncan Murdoch
On 5/6/2008 12:07 PM, Dr. Ottorino-Luca Pantani wrote: Dear R-users, I have the following problem In a lab experiment I have to mix three solutions to get different concentrations of various molecules in a cuvette I've used R to calculate the necessary µliters for each of the level of the ex

[R] categorical data analysis

2008-05-06 Thread raymond chiruka
hie all i am trying to carry out a categorical data analysis but my problem is that when in i use the chi squared test some of my expected values are less than 5. is there a test that can handle this situation. the data is not a 2*2 table. its more from the social sciences where you have f

Re: [R] Regarding nls()

2008-05-06 Thread Spencer Graves
My summary of Bates' comments cited below is as follows: 1. ANOVA is an excellent tool but requires nested models. You can do this fairly easily, but it is not so easily automated. 2. The standard definition of R^2 loses its meaning with nonlinear models. Adjusted

[R] unable to use functions require DLL from package "base"

2008-05-06 Thread A.N.
Hi all, I have issues using some basic functions in R such as these ones : > pp.test(R) (where is a vector of returns) Error in .C("R_approx", as.double(x), as.double(y), as.integer(nx), xout = as.double(xout), : C symbol name "R_approx" not in DLL for package "base" >boxcox(reg,plotit=T)

[R] Is there in R a function equivalent to the mround, as found in most spreadsheets?

2008-05-06 Thread Dr. Ottorino-Luca Pantani
Dear R-users, I have the following problem In a lab experiment I have to mix three solutions to get different concentrations of various molecules in a cuvette I've used R to calculate the necessary µliters for each of the level of the experiment and I must confess that it is more useful and e

Re: [R] merge numerous columns of unequal length

2008-05-06 Thread T.D.Rudolph
Indeed both options are salable, though I agree the latter may be more convenient. Merci! Patrick Burns wrote: > > As the answers you've received suggest, you > can use a list. Or you could have two > vectors: one with the data, the other with the > group identity. The latter format is likely

Re: [R] Scatter Plot - 3 vectors side by side

2008-05-06 Thread Chuck Cleland
On 5/6/2008 11:46 AM, A Ezhil wrote: Hi, I have 3 vectors, x=rnorm(10); y=rnorm(20); z=rnorm(30). I would like to plot 3 vectors side by side (like a bar plot) with scatter plot something similar to the following: .. *** ;;; .. ** ;;; .. *** ;;; .. *** ;;; ... *** ;; x

Re: [R] split and subset

2008-05-06 Thread Henrique Dallazuanna
Try this: subset(dat, format(date, "%Y-%m") == "1999-11") On Tue, May 6, 2008 at 12:25 PM, <[EMAIL PROTECTED]> wrote: > Dear list: > > I ask for your help in a simple problem in which I'm not figuring out > the solution > > My data looks like: > dat<- data.frame(date=c("12/12/1980", "03/11/199

[R] Announcement: support of littler, rkward and rpy on Debian/Ubuntu

2008-05-06 Thread Vincent Goulet
Dear useRs, This is to announce that the maintainers of the various distributions have decided to provide "experimental" up-to-date versions of the following R related packages on Debian stable and Ubuntu (i386 and amd64 architectures): littler rkward python-rpy

[R] Scatter Plot - 3 vectors side by side

2008-05-06 Thread A Ezhil
Hi, I have 3 vectors, x=rnorm(10); y=rnorm(20); z=rnorm(30). I would like to plot 3 vectors side by side (like a bar plot) with scatter plot something similar to the following: .. *** ;;; .. ** ;;; .. *** ;;; .. *** ;;; ... *** ;; x y z How can I do this with Plot()? T

Re: [R] Significance analysis of Microarrays (SAM)

2008-05-06 Thread Martin Morgan
Hi Eleni -- Although samr is not a Bioconductor package, you might have more luck asking on the Bioconductor mailing list, http://bioconductor.org. The obvious place to start, and probably you have already done this, is to ensure that the class of the objects passed to the function agree with the

[R] split and subset

2008-05-06 Thread partofy
Dear list: I ask for your help in a simple problem in which I'm not figuring out the solution My data looks like: dat<- data.frame(date=c("12/12/1980", "03/11/1994", "15/11/1999", "31/10/2000", "20/03/2007", "05/01/2001"), var1=c("A", "A", "B", "D", "C", "A"), var2=runif(6)) I was wondering if

Re: [R] To preserve the class "Matrix"

2008-05-06 Thread Shubha Vishwanath Karanth
Thank you very much Mark! That worked Just a question, ?[ does give an error to me...how do I find it? Shubha Karanth | Amba Research Ph +91 80 3980 8031 | Mob +91 94 4886 4510 Bangalore * Colombo * London * New York * San José * Singapore * www.ambaresearch.com -Original Message-

[R] To preserve the class "Matrix"

2008-05-06 Thread Shubha Vishwanath Karanth
Hi, Suppose a=matrix(1:9,3,3) > a [,1] [,2] [,3] [1,]147 [2,]258 [3,]369 Now, > class(a[1:2,]) [1] "matrix" > class(a[1:3,]) [1] "matrix" > class(a[,1:2]) [1] "matrix" > class(a[,1:3]) [1] "matrix" But, > class(a[1,]) [1] "i

Re: [R] How to put different color in some portion of a surface plot?

2008-05-06 Thread Duncan Murdoch
On 5/6/2008 10:31 AM, Megh Dal wrote: Hi all, I have following problem : a = b = seq(1, 5, by=500) v = matrix(0, nrow=length(a), ncol=length(a)) for (i in 1:length(a)) { for (j in 1:length(a)) { d = c(17989*a[i], -18109*b[j]) v[i,j] = t(d) %*% matrix

Re: [R] single plot statement, multiple plots

2008-05-06 Thread Shubha Vishwanath Karanth
Wonderful...This works... lapply(list(x1,x2,x3,x4),plot,type="l") Thanks a lot! -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of David Winsemius Sent: Tuesday, May 06, 2008 7:55 PM To: [EMAIL PROTECTED] Subject: Re: [R] single plot statement, multiple plot

[R] How to put different color in some portion of a surface plot?

2008-05-06 Thread Megh Dal
Hi all, I have following problem : a = b = seq(1, 5, by=500) v = matrix(0, nrow=length(a), ncol=length(a)) for (i in 1:length(a)) { for (j in 1:length(a)) { d = c(17989*a[i], -18109*b[j]) v[i,j] = t(d) %*% matrix(c(0.0001741, 0.0001280, 0.0001280, 0.000

Re: [R] single plot statement, multiple plots

2008-05-06 Thread David Winsemius
"Shubha Vishwanath Karanth" <[EMAIL PROTECTED]> wrote in news:[EMAIL PROTECTED]: > Hi R, > > par(mfrow=c(2,2)) > > x1=(1:5)^1; x2=(1:5)^2; x3=(1:5)^3; x4=(1:5)^4 > > I need to write a single plot statement, which creates 4 plots (for > x1, x2, x3 and x4) in the graphics window, without using '

Re: [R] single plot statement, multiple plots

2008-05-06 Thread Shubha Vishwanath Karanth
Thank you very much Gabor...Zoo is very powerful... Shubha Karanth | Amba Research Ph +91 80 3980 8031 | Mob +91 94 4886 4510 Bangalore * Colombo * London * New York * San José * Singapore * www.ambaresearch.com -Original Message- From: Gabor Grothendieck [mailto:[EMAIL PROTECTED] Sent:

Re: [R] single plot statement, multiple plots

2008-05-06 Thread Gabor Grothendieck
Try plot.zoo in which case you don't need the par: library(zoo) plot(zoo(cbind(x1, x2, x3, x4)), nc = 2) or plot(zoo(outer(1:5, 1:4, "^")), nc = 2) See ?plot.zoo, ?xyplot.zoo and the three vignettes in the zoo package. On Tue, May 6, 2008 at 9:47 AM, Shubha Vishwanath Karanth <[EMAIL PROTECTED

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