Displaying 20 results from an estimated 600 matches similar to: "Statistical analysis of huge datasets."
2003 Nov 01
1
Partial least squares.
Dear R-helpers,
I am looking, quite unsuccesfully, for a number of functions/packages.
Firstly, I am interested in a package for partial least squares. I have
found that there seemed to exist a package called pls, but which seems
not to run any more with modern versions of R. I have not been able to
find certain "chemometrics package" I found some people discussing about
in this
2003 Jul 16
2
Fatal error in SJava.
Dear r-helpers,
I have been trying to invoke R from Java in a Windows 2000 computer
(unfortunately). All my environment variables seem to be properly set,
everything seems to be in order, but I obtaining a
Fatal error: unable to open the base package
error window.
Also, the output of the invoker is
Loading RInterpreter library
R_HOME: R_HOME=C:/Programas/R
RVersion: R_VERSION=1.6.1
whereas
2003 Sep 28
0
R-icon for RH Linux 9.
Dear R helpers,
It is the first time I have to install R under Linux (Red Hat 9) and as
I was setting up the panels, I could not find any png icon to launch the
program. Does it exist and I have overlooked it? Can I get it somewhere?
Carlos J. Gil Bellosta
Sigma Consultores Estad?sticos
http://www.consultoresestadisticos.com
2011 Jul 06
2
time zone issue - beginners question
Hello all!
As beginner I'm struggling for a while with time zones issue and can't find
a suitable solution.
I would be grateful for any help.
Dataset imported from excel has a variable transplant.date which has been
recorded with CET time zone.
> subDataset$transplant.date
[1] "2000-01-01 CET" "2000-01-01 CET" "2000-01-02 CET" "2000-01-02 CET"
2003 Jul 17
3
univariate normal mixtures
Hello,
I have a concrete statistical question:
I have a sample of an univariate mixture of an unknown number (k) of
normal distributions, each time with an unknown mean `m_i' and a
standard deviation `k * m_i', where k is known factor constant for all
the normal distributions. (The `i' is a subscript.)
Is there a function in R that can estimate the number of normal
distributions k
2004 Mar 30
3
DataEntryWindow
When I originally posted my question under ( C-c C-c does not kill data
editor), I thought that it was a problem with ESS rather than R. However,
I have tried to do the same from a command line R (R 1.8.1 (2003-11-21).
on a debian testing i386 machine) and I got the same problem.
Specifically I cannot kill the DataEntryWindow by issuing C-c (control c).
However, unless I issue the C-c command the
2003 Oct 20
4
Processing logic for Huge Data set
Hello All,
I am new to R. I am trying to process this huge data set of
matrix containing four columns, say x1, x2, x3, x4 and n number of rows.
I want to aggregate the matrix by x1 and perform statistic based on
columns x2, x3, x4. I tried aggregate function but it gave me memory
allocation error (which I am not surprised), so I ended up performing a
for loop based on x1 and
2009 Aug 10
1
manipulating text to generate different formulas to use in nls()
Hello,
In doing a series of non-linear estimations of a function which is a sum of a varying number
of sinusoids, I would like to "autogenerate" the arguments needed by nls() depending on that
number.
For example, when there are two sinusoids:
> nls( y ~ mu + A1 * cos(2*pi*f1*x - P1) + A2 * cos(2*pi*f2*x - P2), data = some.xy.data,
start = list( mu=some.value0,
2003 Feb 19
5
Subpopulations in Complex Surveys
Hi,
is there a way to analyze subpopulations (e.g. women over 50, those who
answered "yes" to a particular question) in a survey using Survey package?
Other packages (e.g. Stata, SUDAAN) do this with a subpopulation option to
identify the subpopulation for which the analysis shoud be done. I did not
see this option in the Survey package. Is there another way to do this?
2004 Feb 10
2
confidence-intervals in dotchart
My earlier posting should have said "dotchart", not "barchart".
1) How does one show confidence-intervals in a "dotchart" and use rownames
for labels on the y-axes? I have looked at "plotCI" in "gregmisc" package .
But it does not seem to produce something like a dotchart. The statistic,
error, upper-bound, and lower-bound are in a
2003 Jun 18
3
R: Debian package and source
Hi,
where can I find the most up-to-date Debian packages for R and sources in
USA. I will be thankful for the location that I can include in my sources.list.
Are their any special recommendations or instructions for building and
maintaining R on Debian? A web-link will be helpful.
---anupam.
[[alternative HTML version deleted]]
2004 Feb 10
2
Dotplot: y-labels from rownames
How can I use row.names() as y-labels in Dotplot? How to set horizontal
orientation for y-lables in lattice()?
Dotplot(stcod1 ~ Cbind(statgh2,statgh2-1.96*segh2,statgh2+1.96*segh2)[og],
subset=statgh2[og]>0.1, data=h2inqerrg02st, xlab="G",
ylab=row.names(h2inqerrg02st)[og], main="")
I have tried doing it with mtext() as well, but there is not enough space
besides
2004 Feb 10
3
confidence-intervals in barchart
Hi R users,
1) How does one show confidence-intervals in a barchart and use rownames for
labels on the y-axes? I have looked at "plotCI" in "gregmisc" package . But
it does not seem to produce something like a barchart. The statistic, error,
upper-bound, and lower-bound are in a dataframe.
2) How to show CI in a barchart either using the statistic and, either (a)
2003 Sep 20
4
using aggregate with survey-design and survey functions
Hi R users,
I am trying to use the aggregate function with a survey design object and
survey functions, but get the following error. I think I am incorrectly using the
syntax somehow, and it may not be possible to access variables directly by
name in a survey-design object. Am I right? How do I fix this problem? I have
used aggregate with "mean" and "weighted.mean", and
2003 Aug 24
1
declarations in non-exported headers and embedding R
Hello,
I've been using R embedded in PL/R (R procedural language handler for
PostgreSQL, http://www.joeconway.com/plr/) very successfully for several
months now. A sincere "thank you" goes to the R development team for
such a great product.
I have a question I'm hoping someone here can help me with. In order to
get the required functionality out of PL/R, I've had to
2003 Feb 16
3
RMySQL installation and loading errors
Hi R users,
I have been trying to install and use RMySQL on Windows98 for
MySQL3.23.55-max using the pulldown menu. I am getting the following errors.
I read the doc and some archived mails about a similar problem on unix like
systems. Still can't get it to work. Some info below that may indicated where
the problem is:
* The directory RMySQL\libs is empty---I was not expecting this.
*
2009 Oct 25
1
Datasets for "The Statistical Sleuth"
Hi everyone,
I wonder if there already exists any R packages containing all the
data sets for the book "The Statistical Sleuth"
(http://www.proaxis.com/~panorama/home.htm; also available at StatLib
http://lib.stat.cmu.edu/datasets/sleuth).
I'm writing an R package with a friend for one of our stat courses
where SAS is the main tool being used. As the time is limited and half
of the
2004 May 05
5
cgi/servlets/httpd in R
Hi R-helpers
Has anyone had any experience doing CGI or Servlets or using an httpd
server in R?
Context: we are interested in running dynamic demographic calculations
on the internet (life tables, and such) in response to form submissions.
I might do simple cgi to get started, but loading in data each time
seems like it would be quite, quite slow.
I have looked at Rserv, but I am most
2011 Dec 13
2
OPeNDAP access with R
I am in the process of converting from Matlab to R, but a major sticking
point for me at the moment is accessing data via OPeNDAP.
After several hours of searching, I found that other people have discussed
this functionality in the past, but it does not appear to have yet been
developed. One programmer, Luke Miller, has managed a work-around by
downloading ascii data from an OPeNDAP site (
2016 Jul 19
2
Solicitud de curso ad-hoc de R
Hola a todos,
En la empresa donde trabajo estamos interesados en contratar un curso ad-hoc de R en nuestras oficinas de Madrid.
El nivel del curso requerido es de iniciación a intermedio, en modalidad intensiva (2 a 3 días completos) y de ser posible utilizando la herramienta R Studio.
En esta ocasión, las búsquedas en Google no están siendo exitosas y solamente hemos encontrado empresas /