On 10/2/08, Michael Just [EMAIL PROTECTED] wrote:
Dieter and Thierry:
Per you suggestions I have tried:
ggplot2 from Thierry:
p - ggplot(dat, aes(x=bbContag, y=..density..)) + geom_histogram()
p + facet_grid(. ~ sc_recov %in% c(21,31,41))
But get the followinng error:
Error in
Thanks Gabor,
Gabor Grothendieck wrote:
Try:
chooseCRANmirror()
It works the call to the pop-up window, but it fails now whatever mirror
I use with the following message:
install.packages(zoo,repos=chooseCRANmirror())
/bin/sh: tar: command not found
Error in sprintf(gettext(fmt, domain =
[EMAIL PROTECTED]
on Thu, 2 Oct 2008 10:02:04 -0700 writes:
Sorry, I must be looking at a different section but when I look at 3.4 in
r-intro.pdf I see:
3.4 The class of an object
All objects in R have a class, reported by the function class. For simple
vectors this is
BB == Ben Bolker [EMAIL PROTECTED]
on Thu, 2 Oct 2008 13:07:02 + (UTC) writes:
BB klaus.steenberg.larsen at risoe.dk writes:
Dear R-Help,
I have used R2.6.0 until I recently installed also R2.7.2 (see details
below)
In R 2.6.0, the following script
Thanks Mark,
[EMAIL PROTECTED] wrote:
# MAKE POSIXct OBJECTS FROM CHARACTER STRINGS
temp1 - as.POSIXct(strptime(2007-02-02,%Y-%m-%d))
temp2 - as.POSIXct(strptime(2007-02-01,%Y-%m-%d))
# TEMP1 AND TEMP2 ARE SORT OF NUMBERS BUT EACH UNIT IS ONE
# SECOND
result - difftime(temp1,temp2)
# STILL
Michael,
You get this error because you make the subset at the wrong place. Try
p - ggplot(dat[dat$sc_recov %in% c(21,31,41), ], aes(x=bbContag,
y=..density..)) + geom_histogram()
p + facet_grid(. ~ sc_recov)
or
subdat - dat[dat$sc_recov %in% c(21,31,41), ]
p - ggplot(subdat,
Please use a recent version of R *and* scatterplot3d.
Uwe Ligges
Megh Dal wrote:
I got following error :
library(mnormt)
library(scatterplot3d)
dat = cbind(rmnorm(3, rep(0,2), diag(2)), 1:3)
s3d - scatterplot3d(dat, lab.z=2, scale.y=0.7, angle=20)
s3d$plane3d(2,0,0, solid, col=grey)
Error
Hello everyone,
I'm currently trying to export a couple of graphs to pdf . Postscript
would be fine too, but I'm using odd page dimensions, which seem to be
overwritten when using the ps2pdf command. I'm using the pdfpages
package in LaTeX to put 6 graphs onto one page (this is why it ought
hello,
I wish to create some 3d scatter diagrams visualising different grouped
data set by a given field in the database. I tried the scatterplot3d
package, as well as the plot3d and scatter3d functions (both within the
rgl resp. Rcmdr package). My first question is, whether is it possibe to
Hello,
I have a column with dates in the form %Y-%m-%d %H:%M:%S; I want to substract
the line i+1 to the line i and get a numeric result (in seconds for instance).
This is what I did (I take the data from a database):
res- dbSendQuery (con, SELECT Date_Heure FROM data.meteo )Time-fetch(res,
On Fri, 3 Oct 2008, Joanne Demmler wrote:
Hello everyone,
I'm currently trying to export a couple of graphs to pdf . Postscript would
be fine too, but I'm using odd page dimensions, which seem to be overwritten
when using the ps2pdf command. I'm using the pdfpages package in LaTeX to
put 6
On 03/10/2008 12:40 AM, Jason Lee wrote:
Hi Duncan, Mark and all,
Thanks for the suggestion. I ve tried the below suggestion.
I got this error now
Error in `[-.data.frame`(`*tmp*`, , x, value = NULL) :
new columns would leave holes after existing columns
Its weird as I try to assign NULL
Hi,
I've been trying to run an R script, however I keep getting the error
message
invalid 'ncol' value (too large or NA)
The program involves reading data from table, and manipulating it in some
way. However I do not understand what the error message means (I'm new to
R). Is it because some of
I'm currently trying to export a couple of graphs to pdf . Postscript
would be fine too, but I'm using odd page dimensions, which seem to be
overwritten when using the ps2pdf command. I'm using the pdfpages
package in LaTeX to put 6 graphs onto one page (this is why it ought to
be a pdf
Your example works fine for me:
x - read.table(textConnection(13199 2008-03-19 03:55:46
+ 13200 2008-03-19 04:00:46
+ 13201 2008-03-19 04:05:46
+ 13202 2008-03-19 04:10:46
+ 13203 2008-03-19 04:15:46), as.is=TRUE)
closeAllConnections()
x$time - as.POSIXct(strptime(paste(x$V2, x$V3), %Y-%m-%d
On 03/10/2008 4:33 AM, Tomas Lanczos wrote:
hello,
I wish to create some 3d scatter diagrams visualising different grouped
data set by a given field in the database. I tried the scatterplot3d
package, as well as the plot3d and scatter3d functions (both within the
rgl resp. Rcmdr package). My
Thanks,
I upgraded to R 2.7.2 and installed Acrobat Reader. Once Acrobat reader
is set as default application for pdf it will automatically also be
used under Lyx. This solved most problems, but all error bars at pch=1
dots still look like a little mouse nibbled on them. Perhaps I'll just
Here it is by hand. You can probably create an iterative solution:
x=seq(-10,10,length=100)
p1=dnorm(x,0,1)
plot(x,p1,type='n',ylab=Density,main=Overlap Measure)
points(x,p1,type='l')
abline(0.07,0.01)
f.x - function(x) abs(dnorm(x,0,1) - (.07 + .01*x))
optimize(f.x, c(-10,0))
I'm currently trying to export a couple of graphs to pdf .
Postscript would be fine too, but I'm using odd page dimensions,
which seem to be overwritten when using the ps2pdf command.
From what you wrote I guess that perhaps you don't really want
unusual page dimensions, but rather
Hi List,
I have the following problem: I am using the multilevel package and make.univ
function for available in the package and then xyplot from lattice and I want
to know how could I be able to use the “coefficient” for the straight line that
passes the data ?
Example from help:
On Fri, 3 Oct 2008, Stefan Evert wrote:
I'm currently trying to export a couple of graphs to pdf . Postscript would
be fine too, but I'm using odd page dimensions, which seem to be
overwritten when using the ps2pdf command.
From what you wrote I guess that perhaps you don't really want
It turns out not to be a misunderstanding about generice functions it was a
mistaken assumption about the values being returned from 'fft'. I made the
mistaken assumption (based on an EE background) that 'fft' would always return
a vector of complex numbers. I didn't realize that 'fft' could
On Fri, Oct 3, 2008 at 2:48 AM, [Ricardo Rodriguez] Your XEN ICT Team
[EMAIL PROTECTED] wrote:
Thanks Gabor,
Gabor Grothendieck wrote:
Try:
chooseCRANmirror()
It works the call to the pop-up window, but it fails now whatever mirror I
use with the following message:
On Fri, Oct 3, 2008 at 8:04 AM, eugen pircalabelu
[EMAIL PROTECTED] wrote:
Hi List,
I have the following problem: I am using the multilevel package and make.univ
function for available in the package and then xyplot from lattice and I want
to know how could I be able to use the coefficient
Its as follows:
chooseCRANmirror()
install.packages(zoo, dep = TRUE)
or maybe:
chooseCRANmirror()
install.packages(zoo, dep = TRUE, type = mac.binary)
If those do not work try installing some other packages, e.g. chron,
to see if you can install anything. If you still have problems
It really dependes on the nature of the computations that you are doing to
obtain these real vectors, and also on the objective of your problem. For
example, if the real vectors are the result of some numerical approximation,
then you can set the threshold to be equal to the error involved in
Hi,
I know that this question appears in the archives, but from the docs I
couldn't figure out how to do it, (I am really new to R)
I have a simple setting with three variables (y binary, x1 continuous, x2
dummy) and would like to run a probit estimation of the form y=Phi(X*B). How
can I do
Dear all:
I try a package called rparallel, and it can make your multiple cores
desktop PC have parallel computation.
The following are my code:
library(rparallel)
msd - function(x)c(mean(x),sd(x))
m - matrix(rnorm(10*100),ncol=100)
st - Sys.time()
M - NULL
Dear all,
I have a collection of 5000 entries which represent the evolutionary
rates of 3 animals.
I would like to show the differences between the rates of all 3
animals and have tried using the function parallel (from the lattice
package) and pairs() function.
The parallel function
I have searched the forums but I am having trouble trying accomplish a
specific plot. I am not sure if this is a very basic task but I am having a
lot of trouble Here is my data frame:
dateproduction price
1 2003-08-15 12050 4.83
2 2003-08-18 12050
On 10/3/2008 10:06 AM, Viktor Nagy wrote:
Hi,
I know that this question appears in the archives, but from the docs I
couldn't figure out how to do it, (I am really new to R)
I have a simple setting with three variables (y binary, x1 continuous, x2
dummy) and would like to run a probit
Hello,
I have a y-axis label that reads: S. schenckii yeast cells. The part that
reads S. schenckii needs to be in italic style, the rest of the text is
normal style. How can I specify the different font styles for each part of the
y-axis label?
Thank you,
Judith
sorry, I made a slight typo in the code below, it should be
mat3 -matrix(sample(1:5000),nrow=5000,ncol=3, byrow=TRUE)
colnames(mat3) - c(human,mouse, chicken)
mat3 -data.frame(mat3)
mat3$model - factor( rep( Model 3), labels=model3)
## code I used for parallel
require(lattice)
parallel( ~
Typical suggestions would be to sample from the data or use alpha
blending (translucency).
Best wishes;
uwe Ligges
Tania Oh wrote:
Dear all,
I have a collection of 5000 entries which represent the evolutionary
rates of 3 animals.
I would like to show the differences between the rates of
Hello everyone,
I'm trying to open the same file under Linux and Windows. Under Windows
everything is ok but when I try to do it under Linux I have a mistake and I
don't know why. This is the mistake:
Error in make.names(col.names,unique=TRUE):
string multibyte 1 invalid
why?
I write this
Carlos Morales wrote:
Hello everyone,
I'm trying to open the same file under Linux and Windows. Under Windows
everything is ok but when I try to do it under Linux I have a mistake and I
don't know why. This is the mistake:
Error in make.names(col.names,unique=TRUE):
string multibyte 1
Try adding ret=raw and leaving off start= since that is not supported
for data set requests.
You'll just have to format the returned nested lists yourself. Looking
at the RBloomberg code should give you hints.
(Also I think that field is deprecated - at least I can't find it in my
version, but it
Hello,
I am just starting to use the vgam() function in VGAM to try to fit
zero-altered negative binomial models. So far I have gotten some a test
dataset to run, but can't seem to extract the log-likelihood. That is,
I am using summary(fit)@df.residual to extract the residual df's, but
The squishplot function in the TeachingDemos package will adjust margins to
give the desired aspect ratio with the whitespace outside of the plot rather
than inside. However the filled.contour function sets its own margins inside
of the function so this does not work with filled.contour. You
Dear R-users,
Suppose I have an expression:
expr = expression(a0)
and now I want to modify it to expression(a0 b0). The following doesn't
work:
expr = expression(expr b0)
What would be a good way of doing this?
Thanks,
Vadim
Note: This email is for the
Try this:
parse(text = paste(capture.output(expr[[1]]), b 0))
On Fri, Oct 3, 2008 at 12:48 PM, Vadim Organovich
[EMAIL PROTECTED] wrote:
Dear R-users,
Suppose I have an expression:
expr = expression(a0)
and now I want to modify it to expression(a0 b0). The following doesn't
work:
He everybody,
Well I have a biplot CCA-like origined from plot.cca (vegan package). I need to
rotate on y axis the lines and symbols of constrained and sites representation.
If I do that on an image editor, I rotate everything, including titles, axes
labels and positions. I just need to rotate
Hello,
Might anyone know how to conduct Wald-type F-tests of the fixed
effects estimated by glmmPQL? I see this implemented in SAS (GLIMMIX),
and have seen it recommended in user group discussions, but haven't come
across any code to accomplish it. I understand the anova function treats
a
Thanks!
Here is a less verbose variation based on suggestion by Phil Spector:
parse(text=paste(expression(a0), b0))
From: Henrique Dallazuanna [EMAIL PROTECTED]
Sent: Friday, October 03, 2008 11:08 AM
To: Vadim Organovich
Cc: r-help@r-project.org
On Fri, 3 Oct 2008, Uwe Ligges wrote:
Carlos Morales wrote:
Hello everyone,
I'm trying to open the same file under Linux and Windows. Under Windows
everything is ok but when I try to do it under Linux I have a mistake and I
don't know why. This is the mistake:
Error in
Dear R Users,
I have set-up:
- R 2.7.2
- rmpi using deinoMPI, and
- snpw
on two Windows XP machines. I would like to use the
makeCluster(...,MPI) command to create a cluster. Assume the machines
are A and B. I would like the master to be on A and the nodes to be on B.
How do I achieve this
Just saw this one. This should be fixed in RGtk2 2.12.7 on CRAN.
Thanks,
Michael
On Tue, Sep 30, 2008 at 12:03 AM, Tomislav Puða [EMAIL PROTECTED] wrote:
Hi,
I'm using R 2.7.2 for Windows.I have also installed gtk-dev-2.12.9 and
rattle 2.3.65. When I work in rattle, I occasionally get these
Dear All,
I've been using already for a year glm.nb() from the MASS package.
But today, R gave me an error message when estimating one of my usual
models:
depEsf.nb - glm.nb(depE ~ manuf00E + corps00E + lngdp00E + lngdp00sqE +
lnpop00E + indshE + scishE + mechshE + elecshE + chemshE +
So I managed to solve this for myself in a very roundabout kind of way. So I
figured that I should share in case anyone else needed something like this.
filled.contour(contour, axes=F, frame.plot=F, color=terrain.colors, ylab=
, key.title = title(main=Velocity\n(m/s)),asp=2, key.axes = axis(4,
Hi, All:
Is there a way in R to access a file / web site that requires
permission?
Consider for example the following:
readLines('http://www.r-project.org/', 4)
[1] !DOCTYPE HTML PUBLIC \-//W3C//DTD HTML 4.01 Transitional//EN\
[2] html
[3] head
[4] titleThe R Project for
I have a matrix 14000 row X 69 col. I noticed that when I break them in to
5~200 clusters. Each cluster has the same size. I use the first 100 row to
run, each cluster has different size. Why is that? I used this command
cl- kmeans(t,k,algorithm = Hartigan-Wong,nstart=5*k,iter.max=5*k)
Dear R-Listers,
I have several ratio (percentages) and binary indicators, and I'd like to use
these indicators to recover several latent classes based on these percentage
(expenses over GDP) and binary measures. Any type of statistical analysis is
suited for such data and is there a R-package
I want to make a contour plot estimate based on a sample of points -- a
sort of smoothing.in 2D (but also in a scatterplot)?
Any ideas
[[alternative HTML version deleted]]
__
R-help@r-project.org mailing list
Hi, All:
Is there a way in R to access a file / web site that requires
permission?
Consider for example the following:
readLines('http://www.r-project.org/', 4)
[1] !DOCTYPE HTML PUBLIC \-//W3C//DTD HTML 4.01 Transitional//EN\
[2] html
On 10/3/08, hadley wickham [EMAIL PROTECTED] wrote:
On Fri, Oct 3, 2008 at 8:04 AM, eugen pircalabelu
[EMAIL PROTECTED] wrote:
Hi List,
I have the following problem: I am using the multilevel package and
make.univ function for available in the package and then xyplot from lattice
I'm trying to get some easy coding to reproduce the error. In the
meantime I have R code that run for 20 or more hours and suddenly i got
a segfault 'memory not mapped' error. I have to clarify that the error
not alway occurs and sometimes the process end satisfactorily. The
process is basically a
All,
I am working with a large dataset that tracks who watches
what media at what time. I am working on media consumption data from a
survey, and one of the batteries asks if [r] has consumed a particular form
of media at X time over the course of a week, so the data looks like
I see no error message here -- a *warning* is not an error.
Please give a fully reproducible example with the actual output containing
an error message.
On Fri, 3 Oct 2008, Roberto Patuelli wrote:
Dear All,
I've been using already for a year glm.nb() from the MASS package.
But today, R
Hi,
By the way if there are many columns in the aggregate like x1,x2,x3 for
example how would the subtotal code change?
Is it possible to get subtotal for multiple columns by Group.1 e.g.
below?
Thanks
Dhruv
-Original Message-
From: jim holtman [mailto:[EMAIL PROTECTED]
Sent:
Hi all,
I am running into a snag using quantile function in stats. Basically, I
don't understand why the loop below throws the error that it does.
test.data - rnorm(1000, 0, 1)
for (i in seq(0.1, 0.001, 0.1)){
test - quantile(test.data, probs=seq(0,1,i));
print(i);
}
Ubuntu.Diego ubuntu.diego at gmail.com writes:
I'm trying to get some easy coding to reproduce the error. In the
meantime I have R code that run for 20 or more hours and suddenly i got
a segfault 'memory not mapped' error. I have to clarify that the error
not alway occurs and sometimes the
Thanks Hadley,
hadley wickham wrote:
Also ensure that you have an up-to-date version of R.
Hadley
I think the most recent release...
version
_
platform i386-apple-darwin8.11.1
arch i386
os
Thanks Mark!
Mark Leeds wrote:
Hi Ricardo: My date knowledge is mostly restricted to as.POSIXct so I don't
know what else to tell you. Did you ever work out that zoo downloading
problem because Gabor's solutions are usually excellent.
I've not worked out the problems I am facing while
Thanks Gabor,
Gabor Grothendieck wrote:
If those do not work try installing some other packages, e.g. chron,
to see if you can install anything. If you still have problems there
is something wrong with your installation. Ask on the r-sig-mac list.
You are right: something is wrong with
Thanks, Ben
Ben Bolker wrote:
Since this is not my package (and I'm still not a Mac user),
I think you must think about becoming a Mac person in spite of this
problems :-)
I really have no idea ... I never heard back from Andrew, don't
know if he found a solution or if the problem
Hi,
I have a txt file here I want to split it into different files based on the
column name if it contains a specific word or part of a word. For example,
If the header looks like
A001_Sick A015_SBK99_SickL913_BB
I would like to split the data , one file contains the data with
I was working on a teaching example, but came across this weird result:
q-c(1.6,2.6, -3.4)
q
[1] 1.6 2.6 -3.4
sum(q)
[1] 0.8
sum(q)- 0.8
[1] 2.22044605e-16
Why is the result not precisely zero?
Thanks!
AT
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Many many thanks for all your suggestions.
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hi folks,
this is driving me up the wall. Apologies for posting twice in the same
week, I'm writing up a thesis. I wish to color-code some dots in an xy
plot. I've got a csv file with various elements, one of which is the
color-key (with the header 'color'). If the color-key is decimal (eg.
Hi all,
I am running into a snag using quantile function in stats. Basically, I
don't understand why the loop below throws the error that it does.
test.data - rnorm(1000, 0, 1)
for (i in seq(0.1, 0.001, 0.1)){
test - quantile(test.data, probs=seq(0,1,i));
print(i);
}
I have a huge txt file and I only want to get out of it column 3 and 7.
I tried to read the whole file and then extract the two columns, but I ran
into a memory problem since the file is huge.
Is it possible just to tell R to read these two columns without reading the
whole file?
Thanks
--
Hi All,
I want to merge file 2 into file 1 , is it possible to get the rows from
file 2 that did not end up in the merge result?
Thanks
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I came across this: shouldn't the last value be a more exact zero?
It did not do that with 1 - sum( rep(0.1, 10) )
1 - cumsum( rep(0.1, 10) )
[1] 9.00e-01 8.00e-01 7.00e-01 6.00e-01 5.00e-01
4.00e-01 3.00e-01 2.00e-01
[9]
What function are you using to read in your data file?
If read.table, then see the help page for that function, specifically
the colClasses argument NULL.
Erik
kayj wrote:
I have a huge txt file and I only want to get out of it column 3 and 7.
I tried to read the whole file and then
Third one this afternoon, see FAQ 7.31
Mai Zhou wrote:
I came across this: shouldn't the last value be a more exact zero?
It did not do that with 1 - sum( rep(0.1, 10) )
1 - cumsum( rep(0.1, 10) )
[1] 9.00e-01 8.00e-01 7.00e-01 6.00e-01 5.00e-01
I have upgraded everything lately and can no longer get the Tinn-R explorer
to work. I think I have had this problem before but cannot recall how I
solved it.I run Tinn-R 2.0.0.7 and Rgui version 2.7.2
When I click on the explorer button I get
trObjList(envir='.GlobalEnv', pattern='', group='',
Hi,
I don't know how to get R to use the hex codes, but as an alternative
strategy you can use colors() to get a (much longer than 8) list of
all the colors that R knows, and use that with your index:
plot(x, y, col=colors()[datacolor])
It takes a bit of fiddling to get distinguishable colors
On Fri, Oct 3, 2008 at 2:10 PM, kerfuffle [EMAIL PROTECTED] wrote:
hi folks,
this is driving me up the wall. Apologies for posting twice in the same
week, I'm writing up a thesis. I wish to color-code some dots in an xy
plot. I've got a csv file with various elements, one of which is the
I am trying to fit a very simple broken stick model using the package
segmented but I have hit a roadblock.
str(data)
'data.frame': 18 obs. of 2 variables:
$ Bin : num 0.25 0.75 1.25 1.75 2.25 2.75 3.25 3.75 4.25 4.75 ...
$ LnFREQ: num 5.06 4.23 3.50 3.47 2.83 ...
I fit the lm
if you want to include all everything the add the argument all=TRUE
there is also a all.x and all.y which are explained in the
documentation.
hope this helps
On Fri, Oct 3, 2008 at 4:48 PM, kayj [EMAIL PROTECTED] wrote:
Hi All,
I want to merge file 2 into file 1 , is it possible to get the
Hi and thanks in advance,
I am fairly new with R so I hope this problem isn't too amateur.
I have a vector of count data which correspond to vectors of date (%m/%d/%Y)
and time of day (%H:%M:%S).
I am trying to compute various statistics (e.g. daily max) by lumping the
data together by day. I
Hi!
[Ricardo Rodriguez] Your XEN ICT Team wrote:
Thanks Gabor,
Gabor Grothendieck wrote:
If those do not work try installing some other packages, e.g. chron,
to see if you can install anything. If you still have problems there
is something wrong with your installation. Ask on the
On Fri, Oct 3, 2008 at 7:47 PM, [Ricardo Rodriguez] Your XEN ICT Team
[EMAIL PROTECTED] wrote:
Hi!
[Ricardo Rodriguez] Your XEN ICT Team wrote:
Thanks Gabor,
Gabor Grothendieck wrote:
If those do not work try installing some other packages, e.g. chron,
to see if you can install
If you want quick and reliable help it is always best to provide a
reproducible example. I learned this after much reminding. The
rational is if you do the work to frame the problem then answers can
be provided swiftly and correctly with the least amount of headache on
both sides of the email.
Check out the zoo package and its three vignettes and
?aggregate.zoo in particular.
Also have a look at the article on dates and times in R News 4/1
and note the chron class which, in fact, accepts inputs in the
very form you have.
On Fri, Oct 3, 2008 at 7:39 PM, Joe Kaser [EMAIL PROTECTED]
Hi ,
I was wondering if we can color the font in R ?
thanks
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When i try to extract a column of data from an excel file and assign
it to a variable , say x, it does assign the column of data as well as
different levels.
it looks something like this when i print.
[1] 6.91 5.89 7.44 8.82
80 Levels: 1.43 102.07 103.65 106.21 106.24 107.15 108.58 11.19 ...
so
Thank You for Your answer, Duncan,
Duncan Murdoch wrote:
On 03/10/2008 4:33 AM, Tomas Lanczos wrote:
hello,
I wish to create some 3d scatter diagrams visualising different
grouped data set by a given field in the database. I tried the
scatterplot3d package, as well as the plot3d and
Thanks , but I want to find out the elements that were NOT merged from
file2?
stephen sefick wrote:
if you want to include all everything the add the argument all=TRUE
there is also a all.x and all.y which are explained in the
documentation.
hope this helps
On Fri, Oct 3, 2008 at
You can read the data in, then use 'grep' to determine which rows
match, then write the files out:
x - read.table()
rowIndx - grep(Sick|CB, x$col)
write.table(x[rowIndx,], file=match)
write.table(x[-rowIndx,], file=nomatch)
On Fri, Oct 3, 2008 at 2:48 PM, kayj [EMAIL PROTECTED] wrote:
Hi,
Your column of data has some
character data in it, perhaps
an Excel #VALUE! or a blank or
some such entry not strictly numeric.
When R reads in such a column, it
makes that column variable into
a 'factor' variable instead of a
numeric variable, because the values
are not all numeric.
You can
You can try reshape:
n - 2000
x - data.frame(a=sample(letters[1:2],n,TRUE), b=sample(LETTERS[1:2],n,TRUE),
+ c=sample(month.abb[1:2], n, TRUE), d=sample(LETTERS[25:26], n,
TRUE), value=runif(n))
str(x)
'data.frame': 2000 obs. of 5 variables:
$ a: Factor w/ 2 levels a,b: 2 1 2 1 1 2
So you have two problems: (1) integers to colors (2) hexadecimal
values to colors
They are quite different problems, I think. For the first one, you
have to look at ?palette to know how integers are mapped to colors via
the palette; and the second problem seems to be that 'read.csv()' has
treated
Hi, isn't the 'col' argument sufficient? e.g. plot(1:26,pch=letters,col=1:26)
Regards,
Yihui
--
Yihui Xie [EMAIL PROTECTED]
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