Suppose I have a Variance-covariance matrix A. Is there any fast way to
calculate correlation matrix from 'A' and vice-versa without emplying any
'for' loop?
[[alternative HTML version deleted]]
__
R-help@r-project.org mailing list
On Sun, 18 May 2008, Anh Tran wrote:
Hi all,
I recently found out that R does not utilize fully the Duo Core capability
when you only run one instance of R.
How surprising was that? Do you have any programs that do? Very few
Windows programs make effective use of multiple CPUs, and of
Arun Kumar Saha wrote:
Suppose I have a Variance-covariance matrix A. Is there any fast way to
calculate correlation matrix from 'A' and vice-versa without emplying any
'for' loop?
C - cov2cor(A)
The other way around is ill-defined, but if d is the vector of variances,
d - sqrt(diag(A))
A
check the following:
# covariance matrix
V - var(matrix(rnorm(10*4), 10, 4))
cov2cor(V)
# correlation matrix
R - cov2cor(V)
# vector of std. dev.
sds - rnorm(4)^2
R * sds * rep(sds, each = nrow(R))
I hope it helps.
Best,
Dimitris
Dimitris Rizopoulos
Biostatistical Centre
School of
Le Mon, May 19, 2008 at 07:39:11AM +0100, Prof Brian Ripley a écrit :
On Sun, 18 May 2008, Anh Tran wrote:
I recently found out that R does not utilize fully the Duo Core capability
when you only run one instance of R.
How surprising was that? Do you have any programs that do? Very few
On Mon, 19 May 2008, Charles Plessy wrote:
Le Mon, May 19, 2008 at 07:39:11AM +0100, Prof Brian Ripley a écrit :
On Sun, 18 May 2008, Anh Tran wrote:
I recently found out that R does not utilize fully the Duo Core capability
when you only run one instance of R.
How surprising was that? Do
Hi All,
I tried to install AnnotationDBI
like so:
source(http://bioconductor.org/biocLite.R;)
biocLite(AnnotationDbi)
and got this error:
Loading required package: RSQLite
Error in dyn.load(file, ...) :
unable to load shared library '/RHEL3/local/lib64/R/library/
Hi!
Is it possible to start R by clicking
the .RData file in linux as in Windows?
I've tried with ubuntu hardy using
the right button and selecting R, but does
not work. Is there any way to set it up?
(I know R can by started from the terminal,
selecting the appropriate directory).
Thanks
Hi!
Is it possible to set a file to which both
commands and output would get automatically
saved? I've tried with sink(), but only get
the output. I mean something
like a combined history and sink, as you
get with File/Save to File.. in the windows
GUI.
Tis is done with diary filename in Matlab,
Hesen Peng wrote:
Hi,
Thank you so much for the help. apply does work for the first situation.
For the second situation, I'm currently using:
temp.a-function(i,j){
return(G(M[i,],N[j,]))
}
temp.v-Vectorize(temp.a)
result-outer(1:nrow(M),1:nrow(N),FUN=temp.v)
Looks pretty good!
Uwe
Peter Dalgaard wrote:
Arun Kumar Saha wrote:
Suppose I have a Variance-covariance matrix A. Is there any fast way to
calculate correlation matrix from 'A' and vice-versa without emplying
any
'for' loop?
C - cov2cor(A)
The other way around is ill-defined, but if d is the vector of
hanen wrote:
i try to use par(new=TRUE) i get them at the same graph but the y_axis and
x_axis are drowen with two unevenly graduations that graph become
unreadable.
Hi Hanen,
If you want to plot two sets of values that fit into the same range,
plot the one with the larger range first, then
Hello,
I have a specific problem, I have a large dataframe, and after clustering I
want to select certain colums, the elements of a subcluster.
My dataframe looks like this :
colnames(data)
[1] 101KF4319097339 102KF4319101170 103KF4319047549
104KF4319046389
[5] 105KF4319013260
Hi Folks,
I'd like to know how hist() decides how many cells to use
when it ignores my suggestion to use say 'hist(...,breaks=50)'.
More specifically, I have the results of 1 simulations,
each returning an 8-vector, therefore 8 variables each with
1 values. Some of these 8 have somewhat
'xx1' is a 'factor' and you have to convert to a character before selecting:
data.xx1-data[ ,as.character(xx1)]
On Mon, May 19, 2008 at 5:20 AM, SebastianEck [EMAIL PROTECTED] wrote:
Hello,
I have a specific problem, I have a large dataframe, and after clustering I
want to select certain
Why don't you specifically tell hist what breaks to use:
hist(x, breaks=seq(min(x), max(x), length=50), include.lowest=TRUE)
On Mon, May 19, 2008 at 5:31 AM, Ted Harding [EMAIL PROTECTED]
wrote:
Hi Folks,
I'd like to know how hist() decides how many cells to use
when it ignores my suggestion
(Ted Harding) wrote:
Hi Folks,
I'd like to know how hist() decides how many cells to use
when it ignores my suggestion to use say 'hist(...,breaks=50)'.
More specifically, I have the results of 1 simulations,
each returning an 8-vector, therefore 8 variables each with
1 values. Some
On 05/19/08 09:06, Agustin Lobo wrote:
Hi!
Is it possible to start R by clicking
the .RData file in linux as in Windows?
I've tried with ubuntu hardy using
the right button and selecting R, but does
not work. Is there any way to set it up?
You presumably need to associate the file type
On 19-May-08 10:00:10, Peter Dalgaard wrote:
(Ted Harding) wrote:
Hi Folks,
I'd like to know how hist() decides how many cells to use
when it ignores my suggestion to use say 'hist(...,breaks=50)'.
More specifically, I have the results of 1 simulations,
each returning an 8-vector,
Hi,
I've a matrix that contains 4 replicates of each rowname. (4 a's, 4
b's, 4 c's in no particular order) Like this:
#
c 32
a 1
b 4
c 87
c 34
b 54
a 23
a 12
b 9
a 3
b 87
c 43
There are a couple of more columns but I'm using the above as an example
I need to sort it so that the same
Try:
mat - mat[order(rownames(mat)), ]
---
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of Paul Geeleher
Sent: 19 May 2008 12:07
To: r-help@r-project.org
Subject: [R] Sort matrix with duplicate row names alphabetically by
rowname
Hi,
I've a
Dear all,
I would like to know if there is an easy to transform a vector of strings to
a vector of integers.
Ex:
(ab,ab,bb,cat,cat,ab) will be
(1, 1, 2, 3, 3, 1)
Thx,
Naira
--
View this message in context:
http://www.nabble.com/From-strings-to-numbers-tp17315179p17315179.html
Sent from the
Hi,
I have a problem using RExcel with a foreground
server: in RExcel menu as well as in the window called
by set server the foreground server option is grayed
out. I have installed the rcom package and also tried
to open R and type require(rcom), as explained on
Ah, job done, that was simple!
Thanks,
-Paul.
On Mon, May 19, 2008 at 12:24 PM, john seers (IFR)
[EMAIL PROTECTED] wrote:
Try:
mat - mat[order(rownames(mat)), ]
---
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of Paul Geeleher
Sent: 19 May
On 5/19/2008 6:13 AM, Naira wrote:
Dear all,
I would like to know if there is an easy to transform a vector of strings to
a vector of integers.
Ex:
(ab,ab,bb,cat,cat,ab) will be
(1, 1, 2, 3, 3, 1)
X - c(ab,ab,bb,cat,cat,ab)
as.numeric(as.factor(X))
[1] 1 1 2 3 3 1
Thx,
Naira
--
Chuck
Naira wrote:
Dear all,
I would like to know if there is an easy to transform a vector of strings to
a vector of integers.
Ex:
(ab,ab,bb,cat,cat,ab) will be
(1, 1, 2, 3, 3, 1)
Hi Naira,
It's not all that hard...
newfactor-as.factor(c(ab,ab,bb,cat,cat,ab))
newfactor
[1] ab ab bb cat cat
Hi
[EMAIL PROTECTED] napsal dne 19.05.2008 13:06:33:
Hi,
I've a matrix that contains 4 replicates of each rowname. (4 a's, 4
b's, 4 c's in no particular order) Like this:
#
c 32
a 1
b 4
c 87
c 34
b 54
a 23
a 12
b 9
a 3
b 87
c 43
There are a couple of more columns
Jim and Chuck,
Thanks a lot for your replies :)
I knew that there was a better way than the complex thing I was planning
to apply :p (with a lot of for/while/apply arghhh)
I also remembered to use factor when my brain woke up ;)
I did something like unclass(factor(c(ab,ab,bb,cat,cat,ab)))
Dear All,
a short and maybe simple question:
I have to rank all values in a matrix from 0 to X,
[1] [2] [3] [4]
[1] 0.1 2 03
[2] 50 3 31
[3] 100 1 10
[4] 100 2 20
0-0
0.1-1
2-2
3-3
50-4
100-5 (X=5)
is there any function for this? i have looked in several
Hi,
I changed something in the package climatol especially in the
function diagwl. Dos anybody know where I can put the code in the
Internet to discuss it?
I made from C for gradcelsius °C with:
unit - list(
temp = expression (paste(#T ,
degree,C))
)
mtext(unit$temp
If your matrix below is called aa, you could do this
matrix(rank(aa, ties='min'), ncol=ncol(aa))
[,1] [,2] [,3] [,4]
[1,]481 11
[2,] 14 11 115
[3,] 15551
[4,] 15881
This doesn't assign the values you list, but it does rank them. OTOH, if
Hi Jens,
If the matrix you described is m.
Then, you can do
unique(as.vector(m))
[1] 0.1 2.0 0.0 3.0 50.0 1.0 100.0
order(unique(as.vector(m)))
[1] 3 1 6 2 4 5 7
Hope this helps :)
Naira
Jens Oldeland wrote:
Dear All,
a short and maybe simple question:
I have to rank all
Whoops, I inadvertently created a dataframe called aa and not a matrix,
so the code below assumes aa is a dataframe and not a matrix.
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Doran, Harold
Sent: Monday, May 19, 2008 8:15 AM
To: Jens
Probably an old moon since evoqued one year ago in this link:
http://tolstoy.newcastle.edu.au/R/e2/help/07/04/15738.html
but I have recently re-installed Tinn-R with R 2.7.0 and forgot to insert
options(warn=-1)
library(svIDE)
...
options(warn=0)
in Rprofile.site... and could see that we have
Dear list,
I am having a set of human oligo ids (H26022 H22025 H34703
H20442 H25719 H300018350) which I want to map to Ensembl or RefSeq.
I am sure R has a function to do that. I downloaded the {oligo} package and
tried to use the probeNames function. Although the factor of
On Mon, May 19, 2008 at 7:41 AM, Naira Naouar [EMAIL PROTECTED] wrote:
Jim and Chuck,
Thanks a lot for your replies :)
I knew that there was a better way than the complex thing I was planning to
apply :p (with a lot of for/while/apply arghhh)
I also remembered to use factor when my brain
The main goal is to include graphics from R in a LaTeX document.
Thanks a lot for all your help - its working now.
/Robert
On 16 Maj, 17:31, Greg Snow [EMAIL PROTECTED] wrote:
If the main goal is to include graphs created by R in LaTeX documents and
have them look nice, and usingxfigwas just
Hi people,
sorry for this reposting. I sent it yesterday to the list, but as I don´t
received a copy I suppose that occourred some problem.
Kind regards,
miltinho
-- Forwarded message --
From: milton ruser [EMAIL PROTECTED]
Date: May 18, 2008 10:35 PM
Subject: three-dimensional
Eleni Christodoulou elenichri at gmail.com writes:
Dear list,
I am having a set of human oligo ids (H26022 H22025 H34703
H20442 H25719 H300018350) which I want to map to Ensembl or RefSeq.
[snip snip snip]
I think you're more likely to get an answer to this
My code is the following:
point_type-c(black,gray20,red)
...
for (i in 1:dim(m)[1]) {
par(pch=(18+i))
par(fg=point_type[i])
plot(m[i,], type='b', ylim = c(lower, upper), type = l, ...)
par(new=T)
}
Now I need to add an
It is there any implementation of a Least Squares Restricted Estimator
for a single equation in R? I have seen in the list some examples in
which linear constraints are embedded within the equation, but let's say
that I have a large number of coefficients (on factors) that I want them
to sum up to
The R2HTML package has tools for creating an HTML log of your session (see
?HTMLStart). Or the TeachingDemos package has a text based set of tools (see
?txtStart) for creating a log of your session. Neither is perfect (and
imperfect in different ways), but could be what you are looking for.
Hello,
This does not seem to be something in the svIDE package, but something
send by Tinn-R to R through the DDE connection for the first two
warnings. I'll eliminate the last one for next version of the package.
Best,
Philippe Grosjean
Patrick Giraudoux wrote:
Probably an old moon since
Agustin,
Given this message and your previous one about starting R by clicking
on the .RData file, I would suggest/recommend you have a look at the
Emacs + ESS combination; see
http://cran.r-project.org/doc/FAQ/R-FAQ.html#R-and-Emacs
In my opinion, this is the best multi-platform
It is not clear what exactly you are trying to do, but you may want to look at
?matplot for an alternative to your loop, then look at ?legend for adding
explanations.
Hope this helps,
--
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
[EMAIL PROTECTED]
(801)
Thanks Sean!
Your reply was very helpful. I already got almost what I wanted. I have some
NA values but I will look if I can find them through bibliography or an
external tool.
Best Regards,
Eleni
On Mon, May 19, 2008 at 6:07 PM, Sean Davis [EMAIL PROTECTED] wrote:
On Mon, May 19, 2008 at
Dear helpers,
I am using constrOptim to minimize a function subject to inequality
constraint. It works well when the number of parameters to optimize is low
(e.g. 4) but when they are more (e.g. 10) it does not produce the expected
results.
The function is minus the determinant of a binomial
Hello R users and developers,
I have a general question about reshaping a wide data frame using the
reshape command. I have a data frame consisting of 108 columns that
I would like to convert to a long table and remove the metadata
(embedded in the column names of the wide table) to new metadata
Nelson:
1. Please read the posting guide: your question is practically
unintelligible. You are far more likely to get a useful response if you
follow its recommendations.
2. However, I'll make a stab. **If** what you mean is simply to be able to
choose arbitrary contrasts to estimate in linear
Hi Alan,
I have a general question about reshaping a wide data frame using the
reshape command. I have a data frame consisting of 108 columns that
I would like to convert to a long table and remove the metadata
(embedded in the column names of the wide table) to new metadata
columns in the
Hi,
I am getting an error when I am trying to build a library in R for windows
. I am using R 2.7.0 in windows. I am following the instructions listed in
the R Help for package creation.
require(stats)
## two functions and two data sets :
f - function(x,y) x+y
g - function(x,y) x-y
d -
Hi Maya,
You might want to post emails about specialized bioconductor packages to
the bioconductor mailing list. You can sign up for it here:
http://www.bioconductor.org/docs/mailList.html
Please post your question over there and also tell us: how did you
install RSQLite? Did you use
You may use the geometry package and the convhulln function.
This will allow you to compute the convex hull volume of a set of
points in a n-dimensional space.
--
Guilhaumon François
Laboratoire Ecosystèmes Lagunaires
UMR 5119 cc 93 Bat 24
Université Montpellier II
34 095 Montpellier
France
i have a data.frame with several columns that i want to sort one of them (one
column) by descending order
in such way that this sorting out recover all colums. what should i do?
--
View this message in context:
hanen hanen.mastouri at yahoo.fr writes:
i have a data.frame with several columns that i want to sort one of them (one
column) by descending order
in such way that this sorting out recover all colums. what should i do?
Maybe I missed something special you need, because I don't fully
? order
df-data.frame(a=rnorm(20),b=rpois(20,5),c=runif(20))
or-order(df$b,decreasing=T)
df.or-df[or,]
Weidong Gu
Department of Medicine
University of Alabama, Birmingham
1900 University Blvd., Birmingham, Alabama 35294
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL
thanks for you response, i try predict command, it is doesn't work. i list a
simulate code below:
X - matrix(as.numeric(runif(400) 0.5), 50,8)
colnames(X) - paste(X, 1:ncol(X), sep=)
rownames(X) - paste(case, 1:nrow(X), sep=)
# Define expected result: Y = (NOT X2) AND X6
Y -
sorry to bother everyone.
i have question to get the coefficient and confidence interval in Logic
Regression with Logistic model. below i list the R code
X - matrix(as.numeric(runif(400) 0.5), 50,8)
colnames(X) - paste(X, 1:ncol(X), sep=)
rownames(X) - paste(case, 1:nrow(X), sep=)
# Define
Try this:
library(gplots)
x - as.matrix(USArrests)
hc - hclust(dist(USArrests), ave)
dend1 - as.dendrogram(hc)
heatmap.2(x, Rowv=dend1)
-G
On May 16, 2008, at 12:23PM , Jeremiah Rounds wrote:
To: [EMAIL PROTECTED] From: [EMAIL PROTECTED]
Date: Fri, 16 May 2008 17:55:26 +0200
in order to export a data.frame to sheet.xls i try:
write(df,file=file_name.xls)
but when i open it a message appears:
impossible to oppen this file. her format is unvalid
knowen that i work with excel_2007
what is the solution ?
--
View this message in context:
I am new to more radical programming in R. I am trying to write a nested 'for'
loop to produce output that takes subscripts like:
for i taking values 1,2,3,4,5 and
j taking values 1,2,3
I want to output for a computation using the combination values of i and j a
value x like this;
i j
# I'm new to R and am trying to get the hang of how it handles
# dataframes loops. If anyone can help me with some simple tasks,
# I'd be much obliged.
# First, i'd like to generate some random data in a dataframe
# to efficiently illustrate what I'm up to.
# let's say I have six variables as
Try:
paste(x, as.vector(t(outer(1:4, 1:3, FUN=paste, sep=))), sep=)
or
paste(x, apply(expand.grid(1:4, 1:3), 1, paste, collapse=), sep=)
On Mon, May 19, 2008 at 4:40 PM, Philip Twumasi-Ankrah
[EMAIL PROTECTED] wrote:
I am new to more radical programming in R. I am trying to write a nested
Yep sorry
I need to use the legend command but am not so good at:
Given this pseudo-code:
point_type-c(black,gray20,red)
...
for (i in 1:dim(m)[1]) {
par(pch=(18+i))
par(fg=point_type[i])
plot(m[i,], type='b', ylim = c(lower, upper), type = l,
If you're serious, start by reading the docs, especially An Introduction to
R. There are also other learning resources listed on CRAN.
-- Bert gunter
Genentech
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Donald Braman
Sent: Monday, May 19, 2008
Thanks for quick response! I have done. I have tried many configurations
of the various examples given there, but the examples are pretty short and
none explain how to loop through nonconsecutive variables in a data frame.
I've also read dozens of pages that come up when I google data.frame
Hi Hanen,
Take a look at ?write.table. Also, try this:
write.table(df,file_name.xls,col.names=FALSE,row.names=FALSE,sep=\t)
or
write.table(df,file_name.xls,sep=\t)
HTH,
Jorge
On Mon, May 19, 2008 at 3:27 PM, hanen [EMAIL PROTECTED] wrote:
in order to export a data.frame to sheet.xls i
hanen wrote:
in order to export a data.frame to sheet.xls i try:
write(df,file=file_name.xls)
but when i open it a message appears:
impossible to oppen this file. her format is unvalid
knowen that i work with excel_2007
what is the solution ?
Hi,
write.csv(df,filename.csv)
Hello -
Donald Braman wrote:
# I'm new to R and am trying to get the hang of how it handles
# dataframes loops. If anyone can help me with some simple tasks,
# I'd be much obliged.
# First, i'd like to generate some random data in a dataframe
# to efficiently illustrate what I'm up to.
#
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
This package implements tools for manipulationg digital images and the
Propagation Separation approach for smoothing digital images.
Version 0.6.1 is a major update with many new features:
Input/Output:
- - we now keep exif information as comment
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
fmri is a contributed package for R, that implements functions for
analyzing single-subject fmri data with structural adaptive smoothing
methods.
New in version 1.2-6
-
~ - new function cutroi()
~ - plot.fmridata() is now
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
dti is a new contributed package for R, that implements functions for
smoothing Diffusion-weighted MR data with structural adaptive smoothing
methods.
Version 0.5-2 contains functions for smoothing DW data in the context of
the Diffusion Tensor
Many thanks --
You are right; I had rnorm() and sample() mixed up in my code. I'll work on
generating a normal ordinal sample next.
Cheers, Don
On Mon, May 19, 2008 at 4:07 PM, Erik Iverson [EMAIL PROTECTED]
wrote:
Hello -
Donald Braman wrote:
# I'm new to R and am trying to get the hang
Hello
I'd like to plot a histogram of some data composed of real numbers. The
bin width I'm using is ~ 0.01, which results in high values in the y
axis, so that the area under each bar corresponds to the probability of
the data in that range.
Is is possible to plot points whose y coordinate
Try:
m - matrix( rnorm(30, rep(c(10,12,15), 10)), nrow=3 )
matplot(y=t(m), pch= rep(19:21, 10), type='b', col=c('red','green','blue'))
legend('bottomright', legend=c('ABC','DEF','GHI'), pch=19:21,
+ col=c('red','green','blue'))
--
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
On 16/05/2008 6:43 PM, Ben Bolker wrote:
francois Guilhaumon francoisguilhaumon at gmail.com writes:
I am facing the same problem than Mark Kimpel with the rgl package :
Running various 3D rendering I'm always faced with a static 3d plot,
which does not
rotate when I click and mouse over it.
Erik,
Your example was just what I needed to generate the data -- many, many
thanks! The names() function was something I had not grasped fully. I now
have this and it works very nicely:
var_list - c(HEQUAL, EWEALTH, ERADEQ, HREVDIS1, EDISCRIM,
HREVDIS2)
mdf -
try:
alltrees - predict(logicfit)
coldeyes wrote:
thanks for you response, i try predict command, it is doesn't work. i
list a simulate code below:
X - matrix(as.numeric(runif(400) 0.5), 50,8)
colnames(X) - paste(X, 1:ncol(X), sep=)
rownames(X) - paste(case, 1:nrow(X), sep=)
And the installed Rgui.exe in 2.6.2 is 10240 bytes, which is
their most common file size.
They also say (fill in your own comments...):
RGUI.EXE has been seen to perform the following behavior(s):
* Can communicate with other computer systems using
HTTP protocols
* This Process
Hello Friends!!!
I would want draw a circular histogram, and I would like draw a polygon with
a circular side. This is easy if I use the functions polygon and arc, but I
want that the polygon with a circular side have background colour. The
polygon created with function polygon can have
Hi Andre,
On May 19, 2008, at 4:28 PM, Andre Nathan wrote:
Hello
I'd like to plot a histogram of some data composed of real numbers.
The
bin width I'm using is ~ 0.01, which results in high values in the y
axis, so that the area under each bar corresponds to the
probability of
the data
I looked at the home website and found a contact form which someone could use
to inform the company of the error of their ways.
http://www.prevx.com/contactus.asp
I will leave it to those who may be better equipped to deal with any replies
from the company to contact them.
Dan
Daniel
Hey Philip,
I'm not sure if I understand what your x11, x12, etc. are. You can
combine the values of your two vectors using the expand.grid function.
There is no need to do nester FOR loops:
i=c(1,2,3,4,5)
j=c(1,2,3)
x=expand.grid(i,j)
print (x)
Var1 Var2
1 11
2 21
3
Hi,
After doing all I could find with the confiure script...
I set some env too...
export enable_R_static_lib=yes
export want_R_static=yes
export WANT_R_STATIC_TRUE=yes
./configure \
--prefix=${i} \
--enable-R-static-lib \
--enable-static \
--without-readline \
Dear useRs,
we are happy to inform you that an overview of the presentations
(including all abstracts) for the useR! 2008 conference in Dortmund
(August 12-14) is now available online at
http://www.R-project.org/useR-2008/presentations.html
(A more detailed program will become available in the
Hi,
I have a question about the graphics changes in 2.7.0. The example is
this bit of code:
par(mfcol = c(2, 3))
for(i in 1:6) plot(1:10, 1:10, xlab = xlab, ylab = ylab, main = main)
In 2.7.0, if I do this interactively (using windows()), I get bold
titles. If I do this through a png device,
Apologies for the double-post, but I figured I should be slightly more
specific. I'm using the windows version of 2.7.0 and 2.6.2. My calls
to png is simply png(2.7.0.png) and png(2.6.2.png), respectively,
followed by the appropriate dev.off().
Oliver
On 5/19/08, Oliver Soong [EMAIL
Hello,
I am a new user to R and have a(proabably very basic) question relating to
a boxplot with eleven sites in a river system where i measured Chlorophyll a
concentrations.
The eleven sites are made up of three sites above a point source pollution
site; three sites below this pollution
Hi,
I have a data file which is named test.txt as below. Prior to that, I have
converted the last row from nominal to numeric using as.integer.
Statement T1001 T1002 T1003 T1004 T1005 T100 T1014 T1021 T1022 T1023
1 0 0 0 0 0 00 0 1 0 0
20
Got it, I did not know of the 'recode' function in car.
So you would like to recode those specific columns then? Once again, we
can do it without a loop, this time with the help of a function called
lapply, which applies a function to each item in a list in turn.
Try:
reverse_me_varnames -
Is is possible to plot points whose y coordinate correspond to that
probability, instead of plotting the histogram bars? In other words,
instead of having a bar of width 0.01 and height, say, 80, I'd like to
have a single point at y = 0.8.
Very easily with ggplot2:
install.packages(ggplot2)
On Mon 19 May 2008 at 06:39:39 PM -0400, George Georgalis wrote:
Hi,
After doing all I could find with the confiure script...
I set some env too...
export enable_R_static_lib=yes
export want_R_static=yes
export WANT_R_STATIC_TRUE=yes
./configure \
--prefix=${i} \
Hi Folks,
I'm a bit puzzled by the following (example):
N-factor(sample(c(1,2,3),1000,replace=TRUE))
unique(N)
# [1] 3 2 1
# Levels: 1 2 3
So far so good. Now:
contrasts(N)-contr.treatment(3, base=1, contrasts=FALSE)
contrasts(N)
# 1 2
# 1 1 0
# 2 0 1
# 3 0 0
whereas:
contr.treatment(3,
Many, many thanks Erik! For anyone who is searching around looking for a
way to recode in R, here's the full code Erik provided:
var_list - c(HEQUAL, EWEALTH, ERADEQ, HREVDIS1, EDISCRIM,
HREVDIS2) ## my original list of variables
mdf - data.frame(replicate(length(var_list), sample(7,100,
Is this what you want: you need the 'drop=FALSE' to make sure it stays a
matrix.
data - read.table(textConnection( Statement T1001 T1002 T1003 T1004
T1005 T100 T1014 T1021 T1022 T1023
+ 1 0 0 0 0 0 00 0 1 0 0
+ 20 0 0 0 0
The titles are in bold. Because the text is small, the weight is lower
than in full-sized plots.
The difference from 2.6.2 is that the text is correctly sized for the
default 72dpi plots. Try something like
png(width=7, height=7, units=in, res=96)
for comparability with windows().
On
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