[R] count.fields vs read.table

8 I wonder if someone could be kind enough to point out what I've done wrong or suggest some tips for managing this, please? Thanks for your advice! Regards, Andrew C. Ward Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] [EMAIL PROTEC

RE: [R] draft of posting guide

considered questions. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia On Tuesday, December 23, 2003 3:55 AM, Rolf Turner [SMTP:[EMAIL PROTECTED] wrote: > This is in response to Gabor Grothendieck's commen

Re: [R] mailing list for basic questions - preliminary sum up

the main list, particularly if it is "staffed" by volunteers. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia Quoting Gabor Grothendieck <[EMAIL PROTECTED]>: > > > My personal view on thi

Re: [R] weighted mean

"x"]), function(x) { weighted.mean(x=x$y, w=x$w)}) Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia Quoting [EMAIL PROTECTED]: > How do I go about generating a WEIGHTED mean (and > standard error) o

[R] Trouble reshaping some data

reshape() looks like a good candidate for this job but I'm not really sure about the roles of timevar and idvar for this dataframe. I tried t2 <- reshape(t1, direction="wide", timevar=t1[,3], idvar=t1[,2]) which is obviously ignorant and wrong. Thank you in

[R] Getting alternative editor to stay as a foreground task

fun. Any advice would be very welcome. I'm using R 1.7.1 on Windows 2000. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia __ [EMAIL PROTECTED] mailing list https:/

Re: [R] Question in Using sink function

Dear Minghua Yao, If you throw in a print() or two you'll get some output in your file. You could try print(t.test(Cy3, Cy5)) or whatever you actually want. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [

Re: [R] lattice plot - portrait / landscape

f you mean something else entirely, perhaps you'd better rephrase the question :) Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting Mahbub Latif <[EMAIL PROTECTED]>: > Hi, >

Re: [R]: RODBC column length>255

rough ODBC. I believe there are some for Oracle, MySQL and others. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting Wayne Jones <[EMAIL PROTECTED]>: > Hello there fellow R-user

Re: [R] cannot allocate vector of size...

Dear Hannah, My usual replies to this question are: 1. Read in just a subset (or a few random subsets) of your data and do some analysis on each of these 2. Write some C code (either standalone or as something) that can be called from R 3. Get even more RAM Regards, Andrew C

Re: [R] laplace transform

Dear Ravi, R calls many functions that are written in FORTRAN. As a start on how to do this, perhaps look at the cluster package. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting Ravi

Re: [R] Putting regression lines on SPLOM

I wonder if it's as simple as the two dots ("..") in the splom line rather than three? Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting Ted Harding <[EMAIL PROTECTED]>

Re: [R] laplace transform

en though a lot of R/S code is devoted to statistical methods, there's no reason at all why all kinds of other things can't be written. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Q

Re: [R] Call R function from C code

Dear Fabio, This question, or one very much like it, appears regularly on the list. You may consider searching for it in the archives before going much further. The search page can be found at http://cran.r-project.org/search.html. Regards, Andrew C. Ward CAPE Centre Department of Chemical

Re: [R] Newbie graphing questions

urves with shaded areas". Search for that in the archives. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting "Francisco J. Bido" <[EMAIL PROTECTED]>: > Hi everyone.

Re: [R] R tools for large files

often you need to do something. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting Murray Jorgensen <[EMAIL PROTECTED]>: > Andrew, > > This is no doubt true, but some things

Re: [R] R tools for large files

concentrate on the analysis and visualisation. This is all described in the R Import/Export Manual. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting Murray Jorgensen <[EMAIL PROTECTED]>:

Re: [R] graphic widow overwrite

You may prefer to use S-PLUS if it does precisely what you want. In R, you could use postscript() or pdf() to save all the graphs to a file and then view them at your leisure. There is always par(ask=TRUE) if you wanted to look at them on the screen. Regards, Andrew C. Ward CAPE Centre

Re: [R] again Trellis plot

t the correct line drawn in each panel. I believe you already have several examples of doing this (including one from me). Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting "Brunschwi

Re: [R] Reading Excel files and making histograms (was: no subject)

excellent RODBC package. Documentation suitable for R beginners is installed by default (look for the PDF file "An Introduction to R") and there is much additional material available on the CRAN website. Also, try ?histogram for more detailed information. Regards, Andrew C. Ward CAPE

Re: [R] adding to Trellis plots

key=list(space="top", lines=list(lty=1), text=list ("Maximum"))) Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting "Brunschwig, Hadassa {PDMM~Basel}" <[

r-help@stat.math.ethz.ch

Perhaps you could specify the factor order you want using the factor() function: my.factor <- factor(something, levels=c("A","C","B"), labels=c("A","C","B"), ordered=TRUE) boxplot(my.vector ~ my.factor)

Re: [R] high memory allocation

. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting gowuban <[EMAIL PROTECTED]>: > Hello, > > I have trouble with my cluster analysis using package > "cluster". &

Re: [R] 'format' problem

Dear Timur, sprintf may be what you want: sprintf("%.1e", 12345678) sprintf("%.1e", 1234567) Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting Timur Elzh

Re: [R] How to speed the shut down of the graphic device

Dear Philippe, Perhaps you could try a different graphics device (maybe postscript). On my machine, the time differences were all 1 second rather than the 3 you reported. If 300s is really too long for you, you could get a new computer or run your script on a faster one. Andrew C. Ward CAPE

Re: [R] how to make a plot without any axis-labeling

Dear Michael, If you want no axes at all, try plot(1:10, 1:10, axes=FALSE) To omit ticks and tick labels try plot(1:10, 1:10, xaxt="n", yaxt="n") To omit axis labels try plot(1:10, 1:10, xlab="", ylab="") Regards, Andrew C. Ward CAPE Centr

Re: [R] Problems installing R on Windows XP

Dear Kurt, I'd wait a day or so and try again. Lots of users have downloaded R from these sites, so there was probably just some glitch somewhere that affected you. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Aust

Re: [R] (no subject)

Would you mind giving a few more details on what you've tried? It's hard to provide much of an answer otherwise. You can save your text file anywhere on your network, and then try temp.df <- read.table("c:/temp.dat", header=TRUE) Regards, Andrew C. Ward CAPE Centre

Re: [R] history for graphics

Dear Erwan, Perhaps there is a way to do this. I typically use the following sequence, however: for (i in 1:10) { postscript(file=paste("blah", i, ".ps", sep="")) barchart(...) dev.off() } Regards, Andrew C. Ward CAPE Centre Departme

Re: [R] help with graphics

Dear Erwan, Did you have a "dev.off()" somewhere after barchart? Otherwise you never know what you might get in the png file. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quo

Re: [R] hi

the menus Help->Manuals->An Introduction to R. Please work through this tutorial there before you go much further. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting jill irwin <[EMA

Re: [R] R and C++ compared with only C++

As always, it depends on your priorities and motivation. If that extra 10% is important and if you can be bothered writing the C++, then putting the whole thing into C++ may be worth it. If not then you could let R deal with the input and output. Regards, Andrew C. Ward CAPE Centre Department

Re: [R] function default

Most functions in R have default arguments, and these are specified in the function definition. For instance, the following function has a default argument of 10 which is used if none is specified: do.it <- function(n=10) { rnorm(n) } do.it() Regards, Andrew C. Ward CAPE Centre Department

Re: [R] Multipanel weighted regression lines.

l=i) panel.abline(lm(y[w] ~ x[w], weights=(weights, [subscripts])[w]), lty=i, col=i) } }, key=list(space="top", columns=2, points=list(pch=1:2, col=1:2), text=list(paste("Group", 1:2), col=1:2))) Regards, Andrew C. Wa

Re: [R] R and XP

g the archive may be an option as well. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting bart rossel <[EMAIL PROTECTED]>: > Dear whom this may concern, > > I am having prob

Re: [R] packaged datasets in .csv format (David Firth)

This information and advice is indeed very useful. Some would wonder, however, whether a file delimited with semi- colons can still be called a CSV file. Excel Help has "CSV (Comma delimited) format") ;-) Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The Uni

Re: [R] 'postscript' command within a function

Edoardo, I'm wondering why postscript(file=filename) doesn't suffice, and you need to use "eval" instead? Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting Edo

Re: [R]

A common approach for getting data into R from Excel is to save the spreadsheet as a CSV file and then read it into R using read.csv. CRAN contains references to other means of directly linking Excel and R. You may find the CSV approach good enough. Regards, Andrew C. Ward CAPE Centre

Re: [R] axis annotation

The following works. No doubt there are other ways to do it. plot(1:10, 1:10, xaxt="n") axis(side=1, at=1:10, labels=NA) text(x=1:10, y=rep(0, 10), col=1:10, 1:10, xpd=NA) Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisban

RE: [R] error-handling question

You can achieve this with try(). Look at the second example (?try), which is probably most like what you want to do. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] On Monday, February

Re: [R] question

exact error message if you want a more specific advice. Perhaps R cannot find the file. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting Nicoleris Theodoros <[EMAIL PROTECTED]>

Re: [R] function

!is.na(match(myvec, myscaler)) is probably what you want. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting [EMAIL PROTECTED]: > Dear R users, > > I have some R code and

Re: [R] Pretty onscreen plots?

27;ve wanted both to display and print a report. Having separate viewing and printing versions of graphs is not very convenient. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting "Fa

Re: [R] a question regarding s-plus libraries and R

do (survey, hmisc, mice, etc). Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting Andrej Kveder <[EMAIL PROTECTED]>: > Hi! > > I am a relatively new user of R and I use it to p

Re: [R] Help on Scatte Plot Matrix

I think this is what pairs() does. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting Feng Zhang <[EMAIL PROTECTED]>: > Hey, All > > Now I have a data set which is n-dim

Re: [R] Question about trellis graphs

arguments to lattice functions. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting [EMAIL PROTECTED]: > Dear List Members > > I'm using R to create a trellis plot using the libr

Re: [R] (no subject)

ss() to put different coloured lines on the plot. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting pavel koulikov <[EMAIL PROTECTED]>: > Hi > I have 4 vectors x,y,z,v > I nee

Re: [R] ConTEXT .chl file for R?

t see much merit in paying for an editor when R itself is free. Others may say "Look what I bought with the money I saved on R" :-) Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED]

Re: [R] Using ltext

untry[subscripts]) }) Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting Nirmala Ravishankar <[EMAIL PROTECTED]>: > > So, I am trying to label the points in a graph, but ca

Re: [R] Read.table for macs

Hamish, I usually save Excel files as CSV, and then use read.csv() to get them into R. Also, there are variants of read.table() that seem more successful at reading in delimited files (see read.delim, read.delim2). Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The

RE: [R] Re: Universal legend in plot

Is your data such that it can be restructured into a form amenable to a lattice plot, such as xyplot()? In that case, the legend (key in lattice) can be placed pretty much anywhere. Regards, Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane