Hi,
I want to compile R with command completion. But I don't find such an
option in configure. Can somebody let me know how to enable command
completion in an R session?
Regards,
Peng
__
R-help@r-project.org mailing list
On Tue, Sep 29, 2009 at 3:47 PM, Tobias Verbeke
tobias.verb...@gmail.com wrote:
Peng Yu wrote:
I want to compile R with command completion. But I don't find such an
option in configure. Can somebody let me know how to enable command
completion in an R session?
AFAIK this is not an option
On Tue, Sep 29, 2009 at 10:39 PM, Martin Morgan mtmor...@fhcrc.org wrote:
Peng Yu wrote:
On Tue, Sep 29, 2009 at 3:47 PM, Tobias Verbeke
tobias.verb...@gmail.com wrote:
Peng Yu wrote:
I want to compile R with command completion. But I don't find such an
option in configure. Can somebody let
Hi,
x=c(rep(1,3),rep(3,2))
x
[1] 1 1 1 3 3
duplicated(x)
[1] FALSE TRUE TRUE FALSE TRUE
As shown in the above code, 'duplicated' doesn't return 'F' for the
first '1' and first '3' in 'x'. I am wondering if there is a function
that can return an indicator for any element whether it appears
Hi,
I know the following code can show the dendrogram. But I also want to
plot the points on a figure and have circles (or boxes) around the
points in a cluster (see
http://www.autonlab.org/tutorials/kmeans11.pdf for some examples). I
am wondering how to do so in R.
Regards,
Peng
x1 = c(0,0)
x2
Hi,
I want to look for some detailed explanation on the properties of Q-Q
plot and how the properties are derived.
In R, there is the following reference.
Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988) The New S
Language. Wadsworth Brooks/Cole.
Somebody also mentioned the following
=booksqid=1254856526sr=8-1#reader
Regards,
Peng
On Tue, Oct 6, 2009 at 9:50 AM, Paul Hiemstra p.hiems...@geo.uu.nl wrote:
Hi Peng Yu,
Chapter 13 of the following book provides a good description of the
assumption done when using regression and other techniques. It also
discusses the QQplot
Hi,
Can somebody help recommend some good introductory textbooks on robust
estimation (graduate school level)?
I found this one, but the reviews on this are quite diverse.
Hi,
My Mac OS is Leopard. I downloaded
R-GUI-5496-2.9-leopard-Leopard64.dmg from http://r.research.att.com/.
I run R from the image disk, but it always quit unexpectedly.
What could cause the problem? Is it because that I have a 32 bit R
installed already installed in the same machine.
Regards,
On Thu, Oct 8, 2009 at 10:57 AM, Steve Lianoglou
mailinglist.honey...@gmail.com wrote:
Hi Peng,
On Oct 8, 2009, at 11:21 AM, Peng Yu wrote:
Hi,
I installed R on mac (see below). When I start it from a terminal by
the following command, the current working directory is always '~' no
matter
Hi,
I know what the following correlation methods (pearson, kendall,
spearman) are through wiki. But I'm wondering if there is a good
book that discuss why these metrics are defined and when to use one
coefficient versus the others.
cor.test(x, y,
alternative = c(two.sided, less,
Suppose I have the following hat matrix:
H=X(X'X)^{-1}X'
X is a n by p matrix, where n = p and X_{i,1} = 1
I'm wondering why H1 = 1. (Here, 1 is column vector, whose each
element is the number 1)
Thank you!
__
R-help@r-project.org mailing list
Hi,
Besides calling shell command mkdir by system(), I'm wondering if
there is a buildin command in R to make a new directory.
Regards,
Peng
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting
On Mon, Oct 12, 2009 at 4:03 PM, Robert Kern robert.k...@gmail.com wrote:
On 2009-10-12 15:45 PM, Peng Yu wrote:
Hi,
I'm wondering what is the general way to define __hash__. I could add
up all the members. But I am wondering if this would cause a
performance issue for certain classes
I'm looking for some tutorial on S4. I only find the following one,
which is not in English. Can somebody let me know if there is any
introductory material? I'm very familiar with OO and C++. If there is
some material that suits my background, it will be great.
Hi,
ExonFeatureSet
I have an object of the above class. The following document mentioned it.
http://www.bioconductor.org/packages/2.5/bioc/vignettes/oligo/inst/doc/ClassesUsedInOligo.pdf
But I would like to see its defintion. I'm wondering if there is a way
in R to give me the definition of
?hclust listed several references. I'm wondering what is the best
resource that explained clustering algorithms, dendrogram and various
clustering algorithms that are implemented in R. Thank you!
__
R-help@r-project.org mailing list
There are several '?'s on the last page of the following document.
Apparently, they are not correct. Could somebody correct it?
cran.r-project.org/doc/contrib/Genolini-S4tutorialV0-5en.pdf
__
R-help@r-project.org mailing list
On Tue, Oct 13, 2009 at 9:38 PM, Martin Morgan mtmor...@fhcrc.org wrote:
Peng Yu wrote:
Hi,
ExonFeatureSet
I have an object of the above class. The following document mentioned it.
http://www.bioconductor.org/packages/2.5/bioc/vignettes/oligo/inst/doc/ClassesUsedInOligo.pdf
But I would
Can somebody point me a book on Fisher's exact test? I looked a few
webpages. But the descriptions on the webpages are not very complete.
Is there a book on that covers all the aspect of Fisher's exact test
that is implemented in R?
__
On Thu, Oct 15, 2009 at 4:19 PM, RICHARD M. HEIBERGER r...@temple.edu wrote:
On Thu, Oct 15, 2009 at 4:56 PM, Peng Yu pengyu...@gmail.com wrote:
Can somebody point me a book on Fisher's exact test? I looked a few
webpages. But the descriptions on the webpages are not very complete
I'm wondering how odds ratio is computed. I thought that it is
(n11/n12)/(n21/n22), but it is not what fisher.test() computes. Could
somebody let me know?
n11=3
n12=1
n21=1
n22=3
n1_=n11+n12
n2_=n21+n22
n_1=n11+n21
n_2=n12+n22
x=rbind(c(n11,n12),c(n21,n22))
I need to refresh my memory on Probability Theory, especially on
conditional probability. In particular, I want to solve the following
two problems. Can somebody point me some good books on Probability
Theory? Thank you!
1. Z=X+Y, where X and Y are independent random variables and their
What's the title?
On Fri, Oct 16, 2009 at 8:16 PM, Yi Du abraham...@gmail.com wrote:
Hogg's book is enough for you considering your problems.
Yi
On Fri, Oct 16, 2009 at 7:12 PM, Peng Yu pengyu...@gmail.com wrote:
I need to refresh my memory on Probability Theory, especially on
conditional
/probability_book/book.html
-Ista
On Fri, Oct 16, 2009 at 9:12 PM, Peng Yu pengyu...@gmail.com wrote:
I need to refresh my memory on Probability Theory, especially on
conditional probability. In particular, I want to solve the following
two problems. Can somebody point me some good books on Probability
I am looking for a good probability book that describes convergence in
distribution. I have looked through Introduction to Probability by
Charles M. Grinstead, J. Laurie Snell, but I don't find any formal
description on convergence in distribution. Could somebody recommend a
good book that cover
On Sat, Oct 17, 2009 at 3:28 PM, Peter Dalgaard
p.dalga...@biostat.ku.dk wrote:
Ben Bolker wrote:
Peng Yu wrote:
I am looking for a good probability book that describes convergence in
distribution. I have looked through Introduction to Probability by
Charles M. Grinstead, J. Laurie Snell
The following commands only show the data in 'y'. I'm wondering how to
show the data in 'x' as well. I also want to add a legend to show that
blue points corresponds to 'x' and yellow points correspond to 'y'.
Could somebody let me know what the correct commands should be?
On Sun, Oct 18, 2009 at 5:42 PM, Matthieu Dubois matth...@gmail.com wrote:
Hi,
the blue point is not shown simply because it is printed outside
the current plot area. If you want to use the base graphics, you
have to manually define the xlim and ylim of the plot. Legend is added
with the
x=cbind(1:4,3:6)
png('one_point.png')
plot(x[1:3,],xlim=c(-1,11),ylim=c(-1,11),pch=1)
points(x[4,],pch=2)# this is plotted as two points
#although I meant only one point
legend(topleft, c(x,y),pch=c(1,2))
dev.off()
The above code will produce 5 points instead of 4 points. If I want to
have 4
Some webpage has described prcomp and princomp, but I am still not
quite sure what the major difference between them is. Can they be used
interchangeably?
In help, it says
'princomp' only handles so-called R-mode PCA, that is feature
extraction of variables. If a data matrix is
On Sun, Oct 18, 2009 at 10:42 PM, Peng Yu pengyu...@gmail.com wrote:
Some webpage has described prcomp and princomp, but I am still not
quite sure what the major difference between them is. Can they be used
interchangeably?
In help, it says
'princomp' only handles so-called R-mode PCA
On Mon, Oct 19, 2009 at 5:02 AM, Mark Difford mark_diff...@yahoo.co.uk wrote:
Peng Yu wrote:
Some webpage has described prcomp and princomp, but I am still not
quite sure what the major difference between them is.
The main difference, which could be extracted from the information given
On Mon, Oct 19, 2009 at 1:58 AM, Peter Ehlers ehl...@ucalgary.ca wrote:
Peng Yu wrote:
Please see below that [3,1] of loadings is not printed. I am wondering
what the problem is?
Not trying ?loadings, perhaps??
'loadings' gives me the same thing.
pca_result$loadings
Loadings:
Comp
It seems that var() computes sample variance. It is straight forward
to compute population variance from sample variance. However, I feel
that it is still convenient to have a function that can compute
population variance. Is there a population variance function available
in R?
$ Rscript var.R
On Mon, Oct 19, 2009 at 9:31 AM, Peng Yu pengyu...@gmail.com wrote:
On Mon, Oct 19, 2009 at 5:02 AM, Mark Difford mark_diff...@yahoo.co.uk
wrote:
Peng Yu wrote:
Some webpage has described prcomp and princomp, but I am still not
quite sure what the major difference between them
tmp - matrix(1:2)
tmp
tmp[,1,drop=FALSE]
See the above example. Is there a way to make 'drop=FALSE' as global
default, so that when I say 'tmp[,1]', R will treat it as
'tmp[,1,drop=FALSE]'?
__
R-help@r-project.org mailing list
fisher.test() gives a very small p-value, which is underflow on my
machine. However, the log of it should not be underflow. I'm wondering
if there is a way get log() of a small p-value. An approximation is
acceptable in this case. Thank you!
On Tue, Oct 20, 2009 at 9:14 AM, Ted Harding
ted.hard...@manchester.ac.uk wrote:
On 20-Oct-09 13:34:49, Peng Yu wrote:
fisher.test() gives a very small p-value, which is underflow on my
machine. However, the log of it should not be underflow. I'm wondering
if there is a way get log
I found the following document on making R packages. But it is old.
I'm wondering if there is more current ones and hopefully more
complete ones.
http://biosun1.harvard.edu/courses/individual/bio271/lectures/L6/Rpkg.pdf
__
R-help@r-project.org mailing
://www.biostat.wisc.edu/~kbroman/Rintro/Rwinpack.html
HTH,
Jorge
On Fri, Oct 23, 2009 at 12:10 AM, Peng Yu wrote:
I found the following document on making R packages. But it is old.
I'm wondering if there is more current ones and hopefully more
complete ones.
http://biosun1.harvard.edu/courses
The help on mahalanobis {stats} does not include any reference. I'm
interested in understand why Mahalanobis is defined in its current way
and how to use it. Could somebody point me a good book on this? I have
looked through a few books, but they all give very light explanation
on it.
On Fri, Oct 23, 2009 at 10:59 AM, Steve Lianoglou
mailinglist.honey...@gmail.com wrote:
Hi,
On Oct 23, 2009, at 11:36 AM, Peng Yu wrote:
The help on mahalanobis {stats} does not include any reference. I'm
interested in understand why Mahalanobis is defined in its current way
and how to use
I use lapply to apply a function to the list 'L'. But of course, the
list names in 'X' is not maintained. I'm wondering if there is a
function that can maintain the list names as well as apply the
function.
$ Rscript lapply.R
L=list(x=c('a','b'), y=c('a','b'))
L
$x
[1] a b
$y
[1] a b
I am reading Section 5 and 6 of
http://cran.r-project.org/doc/contrib/Leisch-CreatingPackages.pdf
It seems that I have to do the following two steps in order to make an
R package. But when I am testing these package, these two steps will
run many times, which may take a lot of time. So when I
On Mon, Oct 26, 2009 at 11:22 AM, Dirk Eddelbuettel e...@debian.org wrote:
On 26 October 2009 at 07:57, Martin Morgan wrote:
| Peng Yu wrote:
| I am reading Section 5 and 6 of
| http://cran.r-project.org/doc/contrib/Leisch-CreatingPackages.pdf
|
| It seems that I have to do
I thought that 'validity' defined in 'setClass' should be called in
'new'. Could somebody let me know why 'validity' is not called? How to
make it be called?
setClass(
+ Class='A',
+ representation=representation(
+ x='numeric'
+ ),
+ validity=function(object){
+
There are different way to make R classes. I know R.oo and S4. I'm
wondering which one is the current popular one. Which one is current
recommended when make new R packages? Thank you!
__
R-help@r-project.org mailing list
'?removeClass' shows that 'removeClass' is from package
'package:methods'. Is there a command which can show me all the
functions and the classed defined in a package such as
'package:methods'?
__
R-help@r-project.org mailing list
On Mon, Oct 26, 2009 at 1:49 PM, Martin Morgan mtmor...@fhcrc.org wrote:
Peng Yu wrote:
I thought that 'validity' defined in 'setClass' should be called in
'new'. Could somebody let me know why 'validity' is not called? How to
make it be called?
setClass(
+ Class
In the following code, 'multiply' doesn't multiply a...@x by 2. I'm
wondering how to define a method that can change the slot of a class.
$ Rscript setGeneric.R
setClass(
+ Class='A',
+ representation=representation(
+ x='numeric'
+ )
+ )
[1] A
setMethod(
+
I feel tedious when I define a S4 class and the methods. For each
method, I have to call both setMethod and setGeneric (or both
setReplaceMethod and setGeneric). I would like a more compact grammar
so that I can reduce the key strokes. I'm wondering if there is a
better way available.
setClass(
On Mon, Oct 26, 2009 at 11:56 PM, mtmor...@fhcrc.org wrote:
Quoting Peng Yu pengyu...@gmail.com:
I feel tedious when I define a S4 class and the methods. For each
method, I have to call both setMethod and setGeneric (or both
setReplaceMethod and setGeneric). I would like a more compact
It seems that 'return' is not necessary when returning a value. If
this is the case, I don't understand why 'return' is a keyword in R.
Is there a case in which I have to use 'return'?
f-function(x) {
+ x
+ }
g-function(x) {
+ return(x)
+ }
print(f(2))
[1] 2
print(g(2))
[1] 2
There are anova {stats} and aov in R. It seems that anova takes an
object returned by a model fitting function. But I don't see any
examples for anova. Can somebody give me a simple example on anova?
What is the difference between anova and aov?
__
Occasionally, I start a command (taking long time to finish) that I
did not really want to start. I type 'ctrl+C' to try to quit the
execution. However, R does not quit the execution of the command
immediately. I'm wondering if R could response to ctrl+C immediately.
I only see how to assign values to colnames() in help. Is there a way
to remove colnames?
colnames(x) - value
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide
I don't understand why I can not close 'f'. This may be very simple,
but I don't see why. Could somebody let me know?
$ cat gzfile.csv
,V1,V2,V3,V4,V5
1,1,5,9,13,17
2,2,6,10,14,18
3,3,7,11,15,19
4,4,8,12,16,20
$ Rscript gzfile.R
f = file(gzfile.csv)
A = read.csv(f)
A
X V1 V2 V3 V4 V5
1 1 1
wrote:
colnames(x) - NULL
On Oct 27, 2009, at 8:09 PM, Peng Yu wrote:
I only see how to assign values to colnames() in help. Is there a way
to remove colnames?
colnames(x) - value
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman
-oriented platform), then you can use SQLForge in AnnotationDbi to
generate an annotation package. To do so see the SQLForge vignette
which can be found in the AnnotationDbi package right here:
http://www.bioconductor.org/packages/devel/bioc/html/AnnotationDbi.html
Marc
Peng Yu wrote
Suppose that I have a list of vectors. I want to compute the union of
all the vectors in the list. I could use 'for' loop to do so. But I'm
wondering what would be a better solution that does not need a 'for'
loop.
l=list(a=c(1,3,4), b=c(1,3,6), c=c(1,3,7), )
I got the error. I haven't been able to get a stand along case so that
I can show it here. But could somebody give some clue on what could
cause this error? Since I never defined xj[i], I don't understand
where this error come from.
Error in xj[i] : invalid subscript type 'list'
On Tue, Oct 20, 2009 at 8:14 AM, Ted Harding
ted.hard...@manchester.ac.uk wrote:
On 20-Oct-09 13:34:49, Peng Yu wrote:
fisher.test() gives a very small p-value, which is underflow on my
machine. However, the log of it should not be underflow. I'm wondering
if there is a way get log
I'm wondering if there is a textbook that summarize the methods on
adjusting p-values for multiple comparisons. Most of the references on
p.adjust() are over 10 years old. I feel it would be better if
somebody could recommend me a textbook on multiple hypothesis
correction, so that I can quickly
I can exclude columns by column number using '-'. But I wondering if
there is an easy way to exclude some columns by column names.
x=cbind(c(1,2),c(3,4))
x
[,1] [,2]
[1,]13
[2,]24
colnames(x)=c('a','b')
x
a b
[1,] 1 3
[2,] 2 4
x[,-'a']
Error in -a : invalid argument
2009/11/3 Uwe Ligges lig...@statistik.tu-dortmund.de:
Peng Yu wrote:
I'm wondering if there is a textbook that summarize the methods on
adjusting p-values for multiple comparisons. Most of the references on
p.adjust() are over 10 years old.
Being 10 years old does not mean the calculus
I'm wondering if there is any option available in load() such that I
can specify which variable I want to load from an RData file. I don't
see such option in the help.
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
On Thu, Nov 5, 2009 at 6:43 PM, Peng Yu pengyu...@gmail.com wrote:
I'm wondering if there is any option available in load() such that I
can specify which variable I want to load from an RData file. I don't
see such option in the help.
__
R-help@r
x.m
nfree - get('nfree', e1)
ls() # now it is in the global workspace.
[1] e1 nfree
How to remove the environment 'e1' after I get 'nfree'?
On Thu, Nov 5, 2009 at 6:43 PM, Peng Yu pengyu...@gmail.com wrote:
I'm wondering if there is any option available in load() such that I
a fresh session of R and then
tries to read in the data - how much resource do you have available when you
try reading in the data? having 8GB RAM does not mean that you have 8GB when
you tried the task.
b
On Nov 7, 2009, at 12:08 AM, Peng Yu wrote:
On Fri, Nov 6, 2009 at 5:00 PM, Marc
chip, the math is the same i mentioned before.
having 8 GB, you should be able to read in 70 samples of this chip. if you
can't, that's because you don't have enough resources when trying to read.
best,
b
On Nov 7, 2009, at 10:12 AM, Peng Yu wrote:
On Fri, Nov 6, 2009 at 8:19 PM, Benilton
I'm wondering which textbook discussed the various contrast matrices
mentioned in the help page of 'contr.helmert'. Could somebody let me
know?
BTW, in R version 2.9.1, there is a typo on the help page of
'contr.helmert' ('cont.helmert' should be 'contr.helmert').
On Sun, Nov 8, 2009 at 11:28 AM, Peter Dalgaard
p.dalga...@biostat.ku.dk wrote:
Gabor Grothendieck wrote:
On Sun, Nov 8, 2009 at 11:59 AM, Peng Yu pengyu...@gmail.com wrote:
On Sun, Nov 8, 2009 at 10:11 AM, Duncan Murdoch murd...@stats.uwo.ca
wrote:
On 08/11/2009 11:03 AM, Peng Yu wrote
I don't understand under what situation ordered factor rather than
unordered factor should be used. Could somebody give me some examples?
What are the implications of order vs. unordered factors? Could
somebody recommend a textbook to me?
__
:
Dear Peng Yu,
Perhaps you're referring to my text, Applied Linear Regression Analysis and
Generalized Linear Models, since I seem to recall that you sent me a number
of questions about it. See Section 9.1.2 on linear contrasts for the answer
to your question.
I hope this helps,
John
My R process has been killed for a few times, although the system
administrator did not do so. It happened when R attempted to allocate
a lot of memory. I'm wondering whether R would spontaneously kill
itself if it can not allocate enough memory?
__
On Sun, Nov 8, 2009 at 7:32 PM, John Fox j...@mcmaster.ca wrote:
Dear Peng,
I'm tempted to try to get an entry in the fortunes package but will instead
try to answer your questions directly:
I can not install 'fortunes'. What are the fortunes packages about?
install.packages(fortunes,
Chambers' book Statistical Models in S mentioned 'column.prods()'. But
I don't find it in R. I'm wondering if there is an equivalent in R?
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide
Of Peng Yu
Sent: Sunday, November 08, 2009 4:28 PM
To: r-h...@stat.math.ethz.ch
Subject: [R] ordered factor and unordered factor
I don't understand under what situation ordered factor rather than
unordered factor should be used. Could somebody give me some examples?
What are the implications
session? (screen is a very nice program that will keep your sessions alive
after you log out, but it was killing off my big memory jobs for unknown
reasons.)
Eric
- Original message -
From: Peng Yu pengyu...@gmail.com
To: r-h...@stat.math.ethz.ch
Date: Tue, 10 Nov 2009 10:23:18
According to Amazon review, 'Statistical Models in S' is a key
reference for understanding the methods implemented in several of
S-PLUS' high-end statistical functions, including 'lm()', predict()',
'design()', 'aov()', 'glm()', 'gam()', 'loess()', 'tree()',
'burl.tree()', 'nls()' and 'ms()'.
But
I need to get the names of the list elements when I iterate over a
list. I'm wondering how to do so?
alist=list(a=c(1,3),b=c(-1,3),c=c(-2,1))
sapply(alist,function(x){
#need to use the name of x for some subsequent process
})
__
On Mon, Oct 19, 2009 at 7:57 PM, Peng Yu pengyu...@gmail.com wrote:
tmp - matrix(1:2)
tmp
tmp[,1,drop=FALSE]
See the above example. Is there a way to make 'drop=FALSE' as global
default, so that when I say 'tmp[,1]', R will treat it as
'tmp[,1,drop=FALSE]'?
Is there a way to set drop
model (or pure object
model). proto tends to apply in user interface applications and there
is some info on which other packages make use of proto on the proto
home page at: http://r-proto.googlecode.com
On Mon, Oct 26, 2009 at 2:47 PM, Peng Yu pengyu...@gmail.com wrote:
There are different way
library(some_library_name)
Suppose I load a library. I'm wondering what command I should use to
list all the functions, classes and variables defined in the library.
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
I'm wondering if there are some tips for refactoring in R. I found the
following website, which is still preliminary. Is there any program
that can help me do refactoring in R?
http://www.r-developer.org/projects/show/refactoring
__
and may be you are able to
state a minimally reproducible code/example with
what you really need.
Bests
milton
On Fri, Nov 13, 2009 at 9:30 PM, Peng Yu pengyu...@gmail.com wrote:
I'm wondering if there are some tips for refactoring in R. I found the
following website, which is still
at
https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/statet-user
HTH,
Tobias
P.S. The refactoring methods are available under the Source menu,
and there is one [simple rename] made available as a QuickFix (Ctrl+1).
Peng Yu wrote:
I found the examples of how to change the code
I can not get the string '\'. Could somebody let me know how to get it?
print('\')
+
+
print('\\')
[1] \\
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide
My question was from replacing a pattern by '\\'. How to replace '/'
in string by '\'?
string='abc/efg'
gsub('/','\\',string)
On Sun, Nov 15, 2009 at 5:07 PM, David Winsemius dwinsem...@comcast.net wrote:
?cat
cat(\\)
\
On Nov 15, 2009, at 5:30 PM, Peng Yu wrote:
I can not get
On Sun, Nov 15, 2009 at 6:05 PM, David Winsemius dwinsem...@comcast.net wrote:
On Nov 15, 2009, at 6:35 PM, Peng Yu wrote:
My question was from replacing a pattern by '\\'. How to replace '/'
in string by '\'?
string='abc/efg'
gsub('/','\\',string)
No, that was most definitely _not_
Suppose I have a string variable
string='some_string'
Now I want to have a list, where tag is the same as the string in
the variable string. I'm wondering if this is possible in R.
list(tag=1:3)
data.frame(tag=1:3)
__
R-help@r-project.org mailing
gcc has options like -MM, which can generate the dependence files for
a C/C++ file that I can be used by gnu make. I'm wondering if there is
a tool that can generate dependence file for an R script.
For example, I have an R script test.R
#test.R
load('input.RData')
On Sun, Nov 15, 2009 at 8:45 PM, Peng Yu pengyu...@gmail.com wrote:
gcc has options like -MM, which can generate the dependence files for
a C/C++ file that I can be used by gnu make. I'm wondering if there is
a tool that can generate dependence file for an R script.
For example, I have an R
to parse the R syntax to
resolve your problem.
On Tue, Nov 17, 2009 at 11:51 AM, Peng Yu pengyu...@gmail.com wrote:
On Sun, Nov 15, 2009 at 8:45 PM, Peng Yu pengyu...@gmail.com wrote:
gcc has options like -MM, which can generate the dependence files for
a C/C++ file that I can be used by gnu
I'm wondering how to choose an appropriate linear model for a given
problem. I have been reading Applied Linear Regression Models by John
Neter, Michael H Kutner, William Wasserman and Christopher J.
Nachtsheim. I'm still not clear how to choose an appropriate linear
model.
For multi-factor
I want to understand ANOVA better. But a few textbook that I have do
not describe Cochran's Theorem in details. Could somebody recommend a
book for me?
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the
:31 EDT 2009, Peng Yu pengyu...@gmail.com wrote:
Hi,
In 'example(barplot)' running in R, I see 'Hit Return to see next
plot:', then R waits for my input. I am wondering how to wait for a
user response in Rscript.
Regards,
Peng
__
R-help@r
There are a few version of apply() (e.g., lapply(), sapply()). I'm
wondering if there is one that does not return anything but just
silently apply a function to the list argument.
For example, the plot function is applied to each element in 'alist'.
It is redundant to return anything from apply.
On Thu, Nov 19, 2009 at 4:27 PM, Marc Schwartz marc_schwa...@me.com wrote:
On Nov 20, 2009, at 10:21 AM, Peng Yu wrote:
There are a few version of apply() (e.g., lapply(), sapply()). I'm
wondering if there is one that does not return anything but just
silently apply a function to the list
1 - 100 of 351 matches
Mail list logo
