Displaying 20 results from an estimated 10000 matches similar to: "A list within a list?"
2011 Jan 24
2
Help with expression
I have a problem with expressions. I am trying to create a title where
the parameter of interest is displayed as a Greek character. Which
parameter is being considered is stored in a character variable.
As an example, if I have
param <- "alpha"
and then do
plot(0, 0, main = bquote(Parameter==.(param)))
then in the title I get "Parameter = alpha",
whereas I want the
2010 Sep 09
6
Reproducible research
I am investigating some approaches to reproducible research. I need in
the end to produce .html or .doc or .docx. I have used hwriter in the
past but have had some problems with verbatim output from R. Tables are
also not particularly convenient.
I am interested in R2HTML and R2wd in particular, and possibly odfWeave.
Does anyone have sample documents using any of these approaches which
2009 Aug 12
3
Combinatorial problem
I have been struggling trying to write some code to produce all
combinations subject to some restrictions. I thought someone might have
some bright ideas.
I have 11 values which fall into 5 groups. I want all combinations of
2,3, and 4 values where each value must be from a different group. The
numbers in the groups are different. Here is a definition of the groups:
groups <- list(gp1 =
2010 Jan 25
2
Microsoft SQL Server and R
I have a client running Microsoft SQL Server. I am interested in ways of
accessing data from this server using R.
I would welcome any information about how this can be done. I have a
reasonable grasp of SQL and have experience with MySQL and RODBC but
don't know anything much about Microsoft SQL Server.
David Scott
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2011 Sep 28
1
Printing an xtable with type = html
I have been playing around with producing tables using xtable and the
type = "html" argument when printing. For example, if xtbl is the output
of a dataframe which has been run through xtable, using the command:
print(xtbl, type = "html",
html.table.attributes = "border = '1', align = 'center'")
I would be interested to see other examples of
2009 Dec 16
1
Stata files
I have a client who uses Stata 11.
Can anyone advise me on ways of transferring data from this version of
Stata to R?
Reading the documentation for read.dta in package foreign it seems it
only allows for versions up to Stata 10. I don't know Stata at all but a
bit of poking around on their website led me to believe Stata 11
couldn't write in Stata 10 format. However Stata 11 can
2010 Dec 22
2
License statement
I am writing a package for a company for its internal use only.
What is an appropriate license statement for the DESCRIPTION file?
I would like a statement which reflects the private and proprietary
nature of the package, giving copyright to the writer and the company. I
also don't want to violate the licensing of R and the packages I am
using (RODBC, ggplot2, zoo).
David Scott
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2009 Nov 20
1
Bessel function with large index value
I am looking for a method of dealing with the modified Bessel function
K_\nu(x) for large \nu.
The besselK function implementation of this allows for dealing with
large values of x by allowing for exponential scaling, but there is no
facility for dealing with large \nu.
What would work for me would be an lbesselK function in the manner of
lgamma which returned the log of K_\nu(x) for large
2010 Apr 11
1
Statistical test for stationarity-how
How to find out if EURGBP is stationary?
Post the R codes for the same.
2009 Jun 25
3
what happened to the xlsReadWrite package
A naive question: what happened to the xlsReadWrite package?
http://cran.r-project.org/web/packages/xlsReadWrite/
It says that it was removed from the CRAN repository. Are there any plans
for it be available again?
Thanks,
Andrew
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2009 Aug 11
1
metaplot in rmeta: y-axis disappears
Hi,
I have a problem with the metaplot-function in rmeta.
After plotting a Forest Plot with "metaplot", no y-axis is shown for normal
plots anymore.
Does someone know, why this is and how I can solve it?
Thank you in advance!
Kind regards,
Roman
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2009 Aug 18
1
combined value in forestplot function
Hi,
How is the combined value (displayed by a diamond on the forest plot) of a meta-analysis illustrated by a forest plot calculated? The applied method and all calculation details are welcome.
Thanks
Carol
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2009 Aug 30
3
test for bimodality&In-Reply-To=
Has a test for bimodality been implemented in R?
Thanks, John
NIWA is the trading name of the National Institute of Water & Atmospheric Research Ltd.
2009 Sep 07
1
Equivalence of Mann-Whitney test and Kruskal-Wallis test with k=2
Hi all,
The Kruskal-Wallis test is a generalization of the two-sample Mann-Whitney
test to *k* samples. That being the case, the Kruskal-Wallis test with *k*=2
should give an identical p-value to the Mann-Whitney test, should it not?
x1<-c(1:5)
x2<-c(6,8,9,11)
a<-wilcox.test(x1,x2,paired=FALSE)
b<-kruskal.test(list(x1,x2),paired=FALSE)
a$p.value
[1] 0.01587302
b$p.value
[1]
2009 Dec 21
2
Maximum spacing method
Hi!
I'm trying to compare maximum likelihood estimator with maximum spacing
estimator (in Generalized extreme value distribution). My problem is the
following: i know how to determinate maximum likelihood estimator on R, but
i dont find a way to do the maximum spacing estimator...:-(
Any help would be great:-)
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2010 Mar 10
1
Importing Access 2007 data with ROBC
Hi all,
I'm trying to import Microsoft Access data into R. It looks like I'm
supposed to use the ROBC package, and this works fine with old Access
files (those with an .mdb extension).
However, lovely Microsoft must constantly update their software. Modern
Access files have an .ACCDB extension. I cannot seem to coerce R to import
data from such a file. Any advice?
I've been using
2010 Aug 23
2
Engle Granger Test in R
Hi,
Please tell me the R codes for Engle Granger Test of cointegration.
TIA
Aditya
2011 May 09
3
converting a matrix or data.frame into an html table
Dear all,
Is there a function in R to convert a matrix or a data.frame into an html table?
Many thanks,
Samuel
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2011 Oct 13
1
Fitting a Harmonic Function to Time Series Data
Dear All,
I have some time series data where X=month and Y=nutrient concentration (I
can have several concentration data for one month). Is there a way to fit
for it an Harmonic Function. Is there a package, script,etc which I can use?
Thx
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2010 Mar 27
2
emacs: reformat \items paragraph in .Rd
(emacs newb here)
After having made some changes in an \items paragraph of \arguments
the lines are no longer nicely wrapped. I was looking for a command to
reindent/rewrap/reformat the whole \items paragraph but couldn't find
anything.
The only way, I found, was to go to the end of the first line, do
'c-j' (or RET) which wraps *this* line nicely, but now there is a
hard line-break