Displaying 20 results from an estimated 2000 matches similar to: "R-(wiki)-pedia?"
2005 Jun 06
9
R Graph Gallery : categorization of the graphs
Hello all,
It seems that the next improvement to the R Graph Gallery is
categorization of the graphics, that way each graph will be easier to
find. That step should be done *carefully* if we want to avoid the
opposite side-effect : graph not reachable through the categories.
That's why the wisdom of the R community is required.
Graphics will be classified in :
- categories
-
2004 Jun 24
2
Packages of snippets? (was: A way to list only variables or functions?)
From: Duncan Murdoch <dmurdoch@pair.com>
>I do understand the feeling of
>writing a nice little function, and not knowing exactly what to do
>with it: CRAN is crowded, and it does seem that an entire package
>just to support one or two simple functions is a bit of overkill.
>Can we work out a way to publish such things? Here's a
>proposal, with some serious flaws
2006 Jan 10
2
Wikis (was about prod(numeric(0)))
Tony Plate <tplate <at> acm.org> writes:
>
> Since the virtue and reliability of Wikis was brought up, I created a R
> Wiki page for this at
>
http://www.sciviews.org/_rgui/wiki/doku.php?id=beginners:surprises:emptysetfuncs
>
>
> Anyone: please correct errors and improve it!
>
> Tony Plate
>
OK, now I have another question:
I see a wiki at
2006 Jan 10
2
Wikis (was about prod(numeric(0)))
Tony Plate <tplate <at> acm.org> writes:
>
> Since the virtue and reliability of Wikis was brought up, I created a R
> Wiki page for this at
>
http://www.sciviews.org/_rgui/wiki/doku.php?id=beginners:surprises:emptysetfuncs
>
>
> Anyone: please correct errors and improve it!
>
> Tony Plate
>
OK, now I have another question:
I see a wiki at
2005 Feb 18
3
Hosting a R Graph Gallery?
Dear R users,
Following some of the recent questions and discussions about the R
plotting abilities, it occurred to me again that it would be very
valuable to have an R graph gallery.
Eric Lecoutre made a very nice example in:
http://www.stat.ucl.ac.be/ISpersonnel/lecoutre/stats/fichiers/_gallery.pdf
It would be very useful to many beginners, but probably also advanced
users of R, to have an
2004 Feb 14
1
How to configure ess-5.2.0beta3-1.i586.rpm, Xemacs and SuSE 9.0?
I'm trying to get R and ESS to work with Xemacs on a newly installed
SuSE 9.0 system. Is some setup required beyond installing the rpms?
I've installed the Xemacs packages from SuSE
xemacs-info-21.4.13-35
xemacs-packages-el-20030629-37
xemacs-21.4.13-35
xemacs-el-21.4.13-35
xemacs-packages-info-20030629-37
xemacs-packages-20030629-37
ess-5.2.0beta3-1.i586.rpm
2004 Apr 13
1
par() in .Rprofile
Dear all
I installed new version (from binaries) and I noticed that
par(bg="white")
which I have in my .Rprofile causes error message on startup
But if I issued this command immediately after startup everything worked as
expected. I did not see any note in changes file or elsewhere.
Should I specify white background in .Rprofile differently?
Or is there some other recommended way
2004 Apr 26
2
Looking for help in calculating percentiles
Hi All:
I am working with a dataset on Arsenic toxicity, and I am trying to
calculate the 20th, 40th, 60th, 80th, and highest percentiles for a
variable, dietary Moisture (variable name dMoist).
The inbuilt function quantile(dMoist) would print 0, 25th, 50th, 75th, and
100th percentile. Does there exist a function that can calculate xth
percentile (where x = 10th, 20th, ... etc) values?
2002 Jan 31
2
Add item to scale?
Hi,
many thanks for all suggestions as to shading of areas. Now to another small
detail: how do I add items to the x-axis? Given a plot of "dnorm", I'd like
to add some text to the x-axis, preferably with a corresponding tick mark.
Imagine the typical \lambda demarcating a tail area. So far, I've only been
able to add text in the plot region, not in the one of the axes.
2003 May 06
3
how to read a web page and extract an html table?
Hello all,
I want to read a table from a given web page.
If I do something like
> str="http://www...." # this is the web address
> aux1 <- url(str,open="rt")# open connection
> aux2 <- readLines(aux1) # read web page
aux2 contains the html file.
I want to extract the table from the html file.
Is there a function html2R, the opposite of R2html?
2005 Jan 10
4
Graphical table in R
I would like R to produce some tabulated data in a graphical output. When
I say tabulated data, what I mean is a table with rows and columns. This
would be useful when reading in a big file, performing some analysis on
it, and then wanting to display the results as a table.
Something like
plot(x,...)
where x is a matrix
For example, the result could look (approximatly) like...
2003 Dec 16
16
mailing list for basic questions - preliminary sum up
Dear R-user,
I already received quite a lot of replies to this mail and like to do a
preliminary sum up.
A few were sceptical about the use of such a beginner mailing list.
The arguments were that people starting with R will only stay subscribed for
a short time
until they reached the R-help "level" and therefore only beginner will teach
beginner how to
use R.
But as far
2002 Jun 06
4
R and mysql on debian
Hello,
I have been using RODBC on Windows with version 1.41 of R successfully,
connecting to a mysql database using MyODBC. Now I would like to do so
with R under Debian/GNU Linux.
I just tried RMySQL (install failed, since mysql libraries were not found),
DBI (no MySQL driver available) and I can't find the RODBC package
any more on CRAN.
Any suggestions?
Johannes Ranke
P.S.: Thanks for
2002 Oct 28
4
arima() in for loop
hi all,
In a simulation context I'm running in a for loop the arima() function
for( i in 1:1000){
y<-arima.sim(....)
out<-arima(y,....)
........
}
Everything works, but after some cycle (10, say) I get error due to the
particular y-values simulated. (E.g., a *frequent* error is "Error in
svd(na.omit(xreg)) : 0 extent dimensions") As a
2002 Oct 17
4
Multiple colors in plots/lookup function
Hello,
I'd like to do something like:
n<-100
zz<-cbind(rnorm(n),rnorm(n),floor(runif(n)*3+1))
colors<-c("red","green","blue")
plot(zz,col=colors(zz[3]))
and have a matrix of scatterplots colored by class. The above does not
work, of course, but I'm not sure exactly what function I'm looking for.
Thank you for your time,
Dave,
--
Dave
2004 May 03
2
Build problems on Linux SuSE 9.1
Hi,
did anybody succeed in building R on SuSE Linux 9.1?
My compilation failed with the following error messages:
make[4]: Entering directory `/home/lederer/Source/R-1.9.0/src/modules/X11'
gcc -I. -I../../../src/include -I../../../src/include
-I/usr/X11R6/include -I/us
r/local/include -DHAVE_CONFIG_H -D__NO_MATH_INLINES -mieee-fp -fPIC -g
-O2 -c d
ataentry.c -o dataentry.lo
In file
2003 Jun 03
0
Rtips (was Re: ? building a database with a the great /cookbook
For me as a beginner a cookbook would be welcome. so many great code
examples are posted into the help list, but finding these is quite
difficult. I think it comes all down to the problem who is compiling
/ contributing and can judge what should go in.
In this respect, Detlef Steuer (suggestion , might be a solution
http://fawn.unibw-hamburg.de/cgi-bin/Rwiki.pl?RwikiHome.
Frank
>
2002 Oct 14
4
log10(), floor() combo issue?
Hi all,
in my search for a nice binary2decimal method, I received this nice
code (thanx to Uwe Ligges):
bindec <- function(b)
sum(as.integer(unlist(strsplit(b, ""))) * 2^(floor(log10(b)):0))
It fails, however, with:
> bindec(1000)
[1] 4
Warning message:
longer object length
is not a multiple of shorter object length in:
as.integer(unlist(strsplit(b, "")))
2002 Oct 29
5
unix environment variables under R
hi,
i am working on a little R-project with a couple od other guys.we use
CVS, but everyone keeps the R-source files in different locations in his
home-directory. of course this causes trouble when sourcing R-files. i
thought a UNIX environment variable could be the solution, but R doesn't
seem to know about the environment variables.
e.g. >> source("$PROJECT/xxx.R")
2005 Dec 04
1
R and databases - a comment
1. That was a part of a private email exchange. It has
been suggested that more people may be interested.
2. I did use various databases (significant part of my
job) for the last 15 years. Some with R for the last 3
years as a hobby. Some comments on the ones used
below. Sorry, no links - I am time-constrained at the
moment - please google if interested in details. The
remarks are from the point