Displaying 20 results from an estimated 10000 matches similar to: "jpeg in R for Windows?"
2001 Mar 21
5
generate random number
Hi,
I want to pick 3 "integer" random numbers from 1 to
10. How to do this?
Thanks,
Yu-Ling Wu
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2001 Sep 27
1
list of all objects - just being curious
Hello all,
to obtain a list of all objects in all search paths, I've found the
following to work:
> biglist <- sapply(1:length(search()), objects)
This more obvious one, however, does not work:
> biglist <- sapply(search(), objects)
Error in pos.to.env(pos) : invalid argument
Still, search() gives
[1] ".GlobalEnv" "package:ctest" "Autoloads"
2001 Mar 22
2
newbie questions: accessing functions globally
How can I access a function created in one data directory in another? I
have been sourcing the text file that contains the function each time I go
to another data dir. This is cumbersome, and I suspect there is a way to
make functions global.
Thanks in advance,
S. David White
Dept of Speech and Hearing Science
Ohio State University
Columbus, Ohio
2000 Jun 22
1
R 1.1 congrat; undocumented behaviour of recordPlot
Hello,
first, I'd like to congratulate the core team to the new R version 1.1. I
think it's a great update, with glimpses into an even greater future
(tcltk!).
While playing around with the new functions (on Win 95), I found the
following:
As the documentation states, when I generate a plot and save it with
recordPlot, I can regenerate it by printing the variable:
> plot(1:10)
>
2002 Apr 04
1
html documentation bug in: help(par), 'las'
Currently (R-1.4.1 as well as R-devel, according to
http://stat.ethz.ch/R-alpha/R-devel/library/base/html/par.html), the html
version of help(par) shows
[...]
lab
A numerical vector of the form c(x, y, len) which modifies the way that
axes are annotated. The values of x and y give the (approximate) number
of tickmarks on the x and y axes and len specifies the label size. The
default
2001 Dec 19
2
How to create a data.frame "like" another, but longer?
Hello,
does anyone know of a quick way to create a data frame "like" another, but
with more rows?
What I'd like to do is this:
if mydata is a data.frame like
a b c
1 TRUE yes
2 FALSE no
3 TRUE yes
I'd like to get mydata2 with the same column names and column types, but
without the values and with more rows.
All I could think of was to manually do
2000 May 09
1
Type III Sums of Squares?
Hello,
I'd like to propose an extension to the function summary.aov.
In Splus (2000, I don't know about other versions), summary.aov allows a
parameter ssType to be set to 1 or 3 (defaults to 1) to choose the type of
Sums of Squares.
I know I can get Type III SS in R with drop1(model), but including the
functionality into summary.aov would, in my opinion,
- yield a more usable table
2001 Feb 22
4
Setting elements in data frame
Hi all,
I have a problem which I am biting my teeth into unsuccessfully:
(x <- data.frame(S1=c("a","b","d","F"),N1=c(2,4,6,9),N2=c(6,NA,0,6)))
S1 N1 N2
1 a 2 6
2 b 4 NA
3 d 6 0
4 F 9 6
> is.na(x)
S1 N1 N2
1 FALSE FALSE FALSE
2 FALSE FALSE TRUE
3 FALSE FALSE FALSE
4 FALSE FALSE FALSE
No I want to be able to do:
1) Setting
2000 Jun 23
1
Re: undocumented behaviour of recordPlot (PR#578)
On Thu, Jun 22, 2000 at 05:01:32PM +0200, p.dalgaard@biostat.ku.dk wrote:
> I think this is pretty certainly a bug, so I'm cc'ing this to r-bugs.
>
> -p
>
> Kaspar Pflugshaupt <pflugshaupt@geobot.umnw.ethz.ch> writes:
> > As the documentation states, when I generate a plot and save it with
> > recordPlot, I can regenerate it by printing the variable:
2000 Jun 23
1
Re: undocumented behaviour of recordPlot (PR#578)
On Thu, Jun 22, 2000 at 05:01:32PM +0200, p.dalgaard@biostat.ku.dk wrote:
> I think this is pretty certainly a bug, so I'm cc'ing this to r-bugs.
>
> -p
>
> Kaspar Pflugshaupt <pflugshaupt@geobot.umnw.ethz.ch> writes:
> > As the documentation states, when I generate a plot and save it with
> > recordPlot, I can regenerate it by printing the variable:
2001 Feb 27
4
Post hoc tests
This is only partly an R question, but this seems a good place to ask.
Like many, if not most, statistics programs, R has no post hoc tests
for Kruskal Wallis or Friedman, and as far as I can make out they are
not available in any of the R packages. I would be grateful if someone
could point me in the right direction if I am wrong.
As I said this is not uncommon. Parametric Anova procedures
2000 Mar 22
4
density ellipses?
Hello,
has anybody written a function to plot density ellipses (95%, 99% or
anything) in a scatterplot? I found nothing in any package, nor in the list
archives.
There does seem to be a contributed package "ellipse" for S-Plus (on
S-Archive), but it does a lot more than what I would need. Still, if anybody
ported it to R, I'd be grateful for a link. I'm a bit afraid to try the
2002 Jan 31
1
MacOS X: Packages KernSmooth and cluster won't compile
Hello,
I'm using R 1.40 on MacOS X X.1.2 (installed via the fink package manager).
To upgrade my installed packages, I tried to use update.packages() today.
All went well for most packages, with the exception of KernSmooth and
cluster. In both cases, libraries were not found although I think they are
present.
Here's what happened:
----------------------------------
>
2001 Dec 11
1
how can i have the total for each level using table,ftable,xtabs etc. etc. ?
I have a list with four fields and 3500 records, from a MySQL table.
How can i have the total for each level using table, ftable, xtabs?
ex:
print(ftable(table[,"field1"]~table[,"field2"]))
thanks
Danilo Maurizio
Veneto Lavoro - Area Osservatorio -
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2000 Jun 15
2
function in S
I have a function in S, and I need to write the same function in R.
Exist a program to translate from S to R ?
Thank you
Laura Pontiggia
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2000 Jul 25
1
library dll's dont load
Hi R experts, Can somebody suggest what can be wrong?
PIII with 128 Mb RAM Using R 1.1 in Win98, the latest version
downloaded yesterday. I run update.packages so 'survival', ' mass',
and 'nlme' are the latest versions in CRAN
> library(survival)
Error in dyn.load(x, as.logical(local), as.logical(now)) :
unable to load shared library
2001 Sep 28
1
Using a zero-finding routine in R
Hello all!
I'd like to use a routine in R to find the zero of a function (like
Newton-Raphson, Broyden, etc.)
In the manual, I found a reference to Newton-Raphson method in the
"qr" function, but I simply wonder how I could use it to implement such a
method.
Carlos
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2000 Sep 28
1
(Newbie) using par() to regulate viewing area in graphs
Hello:
I should first apologize for the very basic question, but I ought to
start from somewhere [embarrassed grin].
I am using R-1.0.0 in a Windows 98 machine to plot some graphs. I
tried to apply a "zoom in" in some portions of the graph using say
'par(yaxp=c(0.35,0.40,5))' but nothing happens, no error msg, no
update in the active graphics device. What should be the
2000 Jun 15
2
V&R Book
Hi,
I was just browsing Springer's web site for Venebles & Ripley's book and
found more then one edition. Is there one that is preferable to get in the
context of working with R?
Thanks
YG
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2001 Dec 19
1
combine
hello there,
I ` m a newbie in R so please excuse my maybe simple question!
I have several (the number of the files changes) textfiles. Each
textfile contains one column with 3 rows (3 numerical values). I want to
combine each file with another file and create new textfiles which then
contain 2 columns with 3 rows. How can I do this in R? Do I have to
use cbind? How Do I use cbind for my