Displaying 20 results from an estimated 3000 matches similar to: "plot.table() ?"
2005 Nov 18
1
using a factor as col argument in plot:
Dear R core team
Using the following code produces an empty plot (similar
to col = NA):
> plot(1:9, col = factor(rep(1:3,3), labels = c("red", "blue", "black")))
My question: Shouldn't one get at least a warning (or an error)
if one tries to use a factor as col argument?
Thanks for an answer.
Regards,
Christoph Buser
2002 May 09
3
read.table (PR#1535)
I downloaded the latest version of R (1.5.0) and issued a read.table() command
that used to work with (1.3.1). Unfortunately I erased 1.3.1 from my hard
drive after I downloaded R 1.5.0.
Here's the command and the error message I get under 1.5.0:
>
golub1<-read.table("C:/Microarrays/code/data_set_ALL_AML_train.txt",sep="\t",q
2001 Jan 10
2
nearest neighbors
Is there an implementation of a reasonable k-nearest neighbor finder
already in one of the packages?
--
+---------------------------------------------------------------------------+
| Robert Gentleman phone : (617) 632-5250 |
| Associate Professor fax: (617) 632-2444 |
| Department of Biostatistics office: not yet
2002 Mar 21
2
Small typo in An Introduction to R (PR#1402)
At a snail's pace I keep on translating an introduction to R into italian;
I have reached the section describing the glm() function, in which some
example code is presented. The very last line of code, before the
beginning of the section on Poisson models is:
ldp <- ld50(coef(fmp)); ldl <- ld50(coef(fmp)); c(ldp, ldl)
which of course gives results 43.663 and 43.663; the correct code
2002 Mar 21
2
Small typo in An Introduction to R (PR#1402)
At a snail's pace I keep on translating an introduction to R into italian;
I have reached the section describing the glm() function, in which some
example code is presented. The very last line of code, before the
beginning of the section on Poisson models is:
ldp <- ld50(coef(fmp)); ldl <- ld50(coef(fmp)); c(ldp, ldl)
which of course gives results 43.663 and 43.663; the correct code
2000 Dec 24
1
gretl and R: info and request
Hello,
I thought some of you might like to know about a GNU project
that is complementary to R in some ways, namely gretl
http://ricardo.ecn.wfu.edu/gretl
(GNU Regression, Econometrics and Time-series Library).
gretl (a library with cli and gui clients, the gui using
GTK) is designed to be very user-friendly, and suitable
for teaching econometrics. It has a fairly wide variety
of least-squares
2001 Sep 18
1
case weights in coxph (survival)
Hi,
I am having trouble with the survival library, particualrily the coxph
function.
the following works
coxph(jtree9$cph.call,z,rep(1,dim(z)[1]))
Call:
coxph(formula = jtree9$cph.call, data = z, weights = rep(1, dim(z)[1]))
coef exp(coef) se(coef) z p
SM 0.2574 1.294 0.0786 3.274 1.1e-03
Sex -0.1283 0.880 0.1809 -0.709
2001 Nov 03
1
Help with Windows build
I'm trying to do a Windows build of Ray Brownrigg's port of the maps
library, and running into some problems.
There's a makefile for the shared library. I suspect that I just need
to change that to get it right, and everything will build properly,
but I'm running into trouble. Here's the original makefile, along
with my comments about changes:
>SRC= mapget.c mapproject.c
2001 Nov 03
1
Help with Windows build
I'm trying to do a Windows build of Ray Brownrigg's port of the maps
library, and running into some problems.
There's a makefile for the shared library. I suspect that I just need
to change that to get it right, and everything will build properly,
but I'm running into trouble. Here's the original makefile, along
with my comments about changes:
>SRC= mapget.c mapproject.c
2001 Oct 26
2
wilcox.test point estimates perverse (PR#1150)
The point estimates produced by wilcox.test are perverse (not wrong, just
brain damaged). The Hodges-Lehmann estimator that goes with the signed
rank test is the median of the Walsh averages. The Hodges-Lehmann estimator
that goes with the rank sum test is the median of the pairwise differences.
wilcox.test agrees except that it uses the following very peculiar definition
of "sample
2001 Nov 22
2
zlib location
I'm trying to build the 1.4.0 development version of R for Windows.
I'll be posting problems as they arise, until I give up (or succeed),
or someone asks me to stop.
1. I don't have zlib, the compression library. The source file
gnuwin32/unzip/WHERE says to get it from
ftp://ftp.info-zip.org/pub/infozip/zlib/zlib.html; that web site says
it has been closed and redirects me to
2001 Sep 01
1
RE: [R] GUI support from R
Hi Duncan,
I've been looking around at GUI toolkits to use with Python (and by
extension R). I initially tried Tk, but was disappointed because there is no
consistent set of high level widgets. I've subsequently done some looking
at QT, wxWindows, and GTK. QT is out because I am a *commercial* user, and
I don't want to have a license hassle. GTK seemed to have a lower level of
2000 Dec 20
7
R Newsletter: 1st Call for Articles
Hi,
Kurt Hornik and I will start to publish a quarterly electronic
``R Newsletter''
beginning with January 2001 (if all goes well). The idea is to have a
mixture of articles describing
1) new features in R itself
2) contributed add-on packages
3) nice applications
4) more general statistical computing issues related to R
5) or ...
OK, now comes my christmas wish to you: If you are
2001 Oct 26
2
Problem testing R version 1.3.1 (PR#1143)
I have compiled R version 1.3.1 on a Linux system. No errors or
warnings are reported.
However, "make check" fails thus:
=====
make[5]: Leaving directory
`/proj/informatics-build/GML/R/R-1.3.1/src/library'
running code in base-Ex.R ...
../../bin/R --vanilla < base-Ex.R > base-Ex.Rout
make[4]: *** [base-Ex.Rout] Error 139
=====
The base-Ex.Rout being produced at this
2003 Jun 13
2
formula (joint, conditional independence, etc.) - mosaicplots
Hi,
Can someone set me straight as to how to write formulas in R to indicate:
complete independence [A][B][C]
joint independence [AB][C]
conditional independence [AC][BC]
nway interaction [AB][AC][BC]
?
For example, if I have 4 factors:
hair colour, eye colour, age, sex
does
> mosaicplot( frequency ~ hair + eye + age + sex)
mean that the model fitted is of complete independence of
2005 Mar 29
1
Mosaicplot with different colors
This dataset below is one sample answer the questioner from our customer.
> testbank <- read.table("testbank.txt", header=T)
> testbank
age married income gender ownhouse class
1 20-30 no high female yes 1st
2 30-40 no high female yes 1st
3 40-50 no low female yes 1st
4 50-60 no high female yes 1st
5 60-70
2005 Apr 15
2
abbreviate or wrap dimname labels
For a variety of displays (mosaicplots, barplots, ...)
one often wants to either abbreviate or wrap long labels,
particularly when these are made up of several words.
In general, it would be nice to have a function,
abbreviate.or.wrap <-
function(x, maxlength=10, maxlines=2, split=" ") {
}
that would take a character vector or a list of vectors, x,
and try to abbreviate or wrap
2002 Jan 30
1
mosaicplot(formula, data)--- bugged?
I have been tinkering with mosaicplot() and friends as a way
of learning R. As part of this, I've written a pair.table()
method for mosaic matrices, and would like to extend mosaicplot
to work with loglin and logln (MASS) objects. I'm using
R 1.4.0 on Win 98.
I've been trying to figure out the formula interface, and think
there's a bug, but not sure how to find it, yet alone fix
2006 Jul 19
1
plain shading (not residuals) in mosaic plot
Hello. I've been using R for a couple of months and enjoying it a lot.
This is my first post to R-help.
I'm using the vcd package to make mosaic plots with labels on the tiles
indicating the number of items in each cell.
For example, I've made this plot:
> allmorph<-structure(c(10, 26, 17, 100, 70, 97, 253, 430, 185, 177,
> 25, 1), .Dim = as.integer(c(6, 2)), .Dimnames
2004 Sep 27
2
Getting code for functions
Hello
Pardon for the elementary question, I did try searching the archives
with various terms, but to no avail. I am using R1.9.1 on a windows
machine
One of the great advantages of R (to me, anyway) is being able to see
the code for a function , e.g. by typing sd one sees the code for
getting a standard deviation.
However, for many functions this only provides info. including
UseMethod, eg.