Displaying 20 results from an estimated 4000 matches similar to: "A question about "union""
2008 Sep 13
4
bubble(circle) plot help.
I need help creating a bubbleplot, like a simple pseudo three dimensional scatterplot of circles whose sizes index a 3rd variable. I initially came across this at http://addictedtor.free.fr/graphiques/graphcode.php?graph=73 but the circleplot function does not exist in fbasic as listed in the document.
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2008 Sep 11
9
How to load functions in R
Hello,
I am trying to use self created functions in other scripts than the one
where they are stored.
For the moment I am using the following structure of commands to do
that:
1. Load the text file with the functions in the current script:
x=parse("path")
2. transform the tex in a function: f1=eval(x[1]), f2=eval(x[2]) if more
than one function is stored in the text file
3. use the
2008 Sep 13
3
Beautify R scripts in microsoft word
I am generating a report containing several R scripts in the appendix. Is there any way to "beautify" the R source codes in microsoft word, similar to what we see in tinn-R ?
Thanks
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2008 Sep 14
5
Error Running TinnR with R
Hello All,
I am using Tinn-R (v 2.0.0.7) integrated with R (v 2.7.2) on a 32-bit
Windows Vista system.
When I try to run a code and send it to R from Tinn-R, I get the following
error message;
?Error in source(.trPaths[5], echo = T) : object ".trPaths" not found?
I was using an earlier version of Tinn-R and R and I was not having problems
till recently when R-sending started freezing
2008 Sep 11
4
All possible pairs of two variables
I have two variables (x,y) :
x : it takes all integer values from 0 to y and,
y : takes all values from 0, 10
I am looking for some R code to find all possible pairs of (x,y). Can anyone please help me?
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2009 Mar 23
2
How to get commands history as a character vector instead of displaying them?
Hi Everyone,
I want to get the commands history as a character vector instead of
just displaying them, but the function history() just returns NULL. I
checked the source code of 'history' and could not find a solution.
Anybody has an idea? Thanks!
P. S. My original problem is, when a user opens a graphics device like
png() or pdf(), I want to know the file name used by this device. I
2008 Sep 10
2
relsurv package
Dear R-users,
I have a couple of questions about the relsurv package:
1) when I try to run the example:
fit <- rsmul(Surv(time,cens)~sex+as.factor(agegr)+ratetable(age=age*365.24,sex=sex,year=year),ratetable=slopop,data=rdata)
with the datasets in the package (rdata and slopop) it gives me an error:
Error in nrow(x) : object "x" not found
2)
If I have a date format
2009 Jun 20
2
Special characters in Rd example section will cause errors
Hi (Duncan?),
The other day I noticed some characters will cause errors in R CMD
CHECK because of parse_Rd(), and AFAIK, these chars include '%', '{'
and '}'. For example, note the comments in the example section:
%~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~%
\name{testfun}
\Rdversion{1.1}
\alias{testfun}
\title{
A Test
}
\description{
A test
}
\usage{
testfun()
}
\value{
NULL
}
2008 Oct 21
3
code works in R desktop but not iin RWeb - How do I modify to get it working in RWeb, please?
Hi,
How are you? I have a quick question.... I have code that works perfectly
with R desktop, but does not work with RWeb. Could you please tell me how
to modify the code below so it will work with RWeb?
#Read in txt file
happyguys<-read.table("c:/test8.txt", header=TRUE, row.names=1)
#Subset the txt file to only include certain values
test<-subset(happyguys, GRADE == 7
2008 Sep 18
2
How to show complete time values in a plot x axis
Hello,
I have the following data and I try to properly
import it in R and plot the 4th column relative to time
1 2008-249 17:44:17.973 -2.27 00000000: Accepted
2 2008-249 17:44:18.014 -2.28 00000000: Accepted
3 2008-249 17:44:18.064 -2.29 00000000: Accepted
4 2008-249 17:44:18.123 -2.29 00000000: Accepted
5 2008-249 17:44:18.174 -2.29 00000000:
2008 Sep 11
5
How to obtain a sequence of dates consisting of only weekdays
Dear R-users,
How do I obtain a sequence of dates consisting of only weekdays without the weekends in R?
In S, I can do the following:
timeSeq(from="12/17/2007", to="8/25/2008", by="weekdays")
I tried using looking at timeSequence (fSeries package) and seq.Date (base package) but I do not know if I can specify "weekdays" rather than "day".
2009 Apr 03
2
extract tables as data.frames from HTML source
Hi,
I wonder whether there is any convenient function (or package) to
extract tables from a HTML page? e.g. from
http://www.google.com/finance/historical?q=SHE:002251
I know we can readLines('URL'), gsub('<td>...', '...', source), ...
and at last get the numbers; I'm writing to ask whether someone has
already contributed a more general function (with the package
2009 Apr 03
1
new line between '}' and 'else' in function body
Hi list members,
?"else" tells us
In particular, you should not have a newline between '}' and
'else' to avoid a syntax error in entering a 'if ... else'
construct at the keyboard or via 'source'.
but there's no syntax error when you break the line between "}" and
"else" in a function, e.g.
f = function(x) {
2008 Nov 14
1
Line breaks in mathematical formulae in Rd files (PR#13287)
Hi,
This is a problem about writing R documentation (R-exts 2.6). The
command "\deqn" defined in "Rd.sty" is:
\newcommand{\deqn}[2]{\[#1\]}
which will put mathematical formulae in the "displaymath" environment;
that means line breaks are not allowed (or will not be shown) in
formulae, but sometimes we do need multiple lines of formulae. One
solution is to write
2008 Sep 11
2
Save object summary to file
Hi,
Am wanting to save the summary of a PCA to file.
Have tried:
> write.table(summary(PCA), file="PCAvar.txt", sep="\t")
but receive:
Error in as.data.frame.default(x[[i]], optional = TRUE, stringsAsFactors =
stringsAsFactors) :
cannot coerce class "summary.princomp" into a data.frame
What am I doing wrong?
Thanks
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2008 Nov 29
3
how to input a string without quote
Hi there,
I hope to use a string as an input in my function, however, I don't want
to input the quotation mark. Is it possible?
Thanks in advance.
Regards,
Jinsong
2008 Sep 18
1
outlier and whisker in boxplot
Hi, Dear R-users:
Sorry for bothering your guys again. I think I should rewrite my question.
I know how to extend whisker by using range. The question is that I will set
the range=1.5, and at the same time, I only want to show the extreme
outlier, like 0.01% and 99.99% percentile, so what should I do?
Thank you very much!
Catherine
--
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2008 Sep 15
1
any package to do generalized linear mixed model?
I checked GlmmML package. However, it can only do binomial and poisson
distribution. How about others such as gamma or neg binomial?
Thank you so much!
wensui
2009 May 12
1
How to generate pdf in more than 1 papes
I have a problem,
everytime I plot in pdf, I could only draw in one page,
does anyone know how to generate more than one page
for example, I have 10 pics to plot in pdf, each page only could be plotted
5 pics,
so how can I generate just one pdf of 2 pages, instead of two pdf
Thank you
--
Xiaogang Yang
Sensorweb Research Laboratory
http://sensorweb.vancouver.wsu.edu/
Washington State
2008 Sep 24
2
Bug in "is" ?
Hi R users
Is there anything wrong in "is" function? (R 2.7.2)
I believe that everyone will agree that "7" is an integer, right? but
why R shows 7 is not an integer
> is.integer(7)
[1] FALSE
> is(7,"integer")
[1] FALSE
> is(as.integer(7), "integer")
[1] TRUE
Thank you very much in advance
Chunhao