On Tue May20'25 12:15:41AM, Ranjan Maitra via R-help wrote:
> From: Ranjan Maitra via R-help
> Date: Tue, 20 May 2025 00:15:41 -0500
> To: r-help@r-project.org
> Reply-To: Ranjan Maitra
> Subject: Re: [R] how to read a PSB file in R?
>
> On Tue May20'25 05:56:59A
On Tue May20'25 12:15:41AM, Ranjan Maitra via R-help wrote:
> From: Ranjan Maitra via R-help
> Date: Tue, 20 May 2025 00:15:41 -0500
> To: r-help@r-project.org
> Reply-To: Ranjan Maitra
> Subject: Re: [R] how to read a PSB file in R?
>
> On Tue May20'25 05:56:59A
On Tue May20'25 05:56:59AM, Rui Barradas wrote:
> From: Rui Barradas
> Date: Tue, 20 May 2025 05:56:59 +0100
> To: Ranjan Maitra , r-help@r-project.org
> Subject: Re: [R] how to read a PSB file in R?
>
> Às 03:17 de 20/05/2025, Ranjan Maitra via R-help escreveu:
> >
I have come across this file (warning, massive, 4.3 GB)
https://esahubble.org/media/archives/images/original/heic1502a.psb and it
appears to be a filetype I was not aware of previously.
Is it possible to read the file in R using any tool? It is an image and I am
looking for the RGB of the file
Bert,
Thanks very much!
Oops! I can not believe I completely missed this!
Best wishes,
Ranjan
On Thu Feb06'25 08:15:45AM, Bert Gunter wrote:
> From: Bert Gunter
> Date: Thu, 6 Feb 2025 08:15:45 -0800
> To: Ranjan Maitra
> Cc: R-Help
> Subject: Re: [R] pairs plot
According to the help for pairs, the diag.panel function is supposed to
take a panel.hist as in:
pairs(USJudgeRatings[1:5], panel = panel.smooth,
cex = 1.5, pch = 24, bg = "light blue", horOdd=TRUE,
diag.panel = panel.hist, cex.labels = 2, font.labels = 2)
Error: object 'pa
I am an author of the paper behind the fad package. I suspect that the call is
not correct. Actually, fad does not quite account for time series or other
structured data and you have to enter it, as in all general EFA packages as a n
x p matrix, with n the number of observations and p the number
Dear friends,
I am trying to display a sequence of characters x_1, x_2, ... x_30 on a plot.
I know that I can use expression to do this by expression("x"[1]), etc. But,
how do I do this efficiently for an entire sequence without having to type the
individual expressions one by one?
Many thank
gt;k <- seq( 2L, n - 2L )
>for ( i in seq.int( nrow( ix ) ) ) {
> result[ ( i - 1L ) * jxrows + jxoffsets, k ] <-
> matrix( v[ -ix[ i, ] ][ jx ], nrow = jxrows )
>}
>result[ , 1L ] <- rep( ix[ , 1L ], each = jxrows )
>result[ , n1 ] <- rep( ix[ , 2L ],
)
> , ix[ i, 2 ]
> )
> }
> )
>cbind( do.call( rbind, x ), n )
> }
> ###
>
> For more speed, perhaps use Rcpp with [1]?
>
> [1] http://howardhinnant.github.io/combi
gt;
> For more speed, perhaps use Rcpp with [1]?
>
> [1] http://howardhinnant.github.io/combinations.html
>
> On Thu, 29 Mar 2018, Ranjan Maitra wrote:
>
> > Thanks!
> >
> > Yes, however, this seems a bit wasteful. Just wondering if there are
> > other,
>
>
> > On Mar 29, 2018, at 9:48 PM, Ranjan Maitra wrote:
> >
> > Dear friends,
> >
> > I would like to get all possible arrangements of n objects listed 1:n on a
> > circle.
> >
> > Now this is easy to do in R. Keep the last spot fixed a
Dear friends,
I would like to get all possible arrangements of n objects listed 1:n on a
circle.
Now this is easy to do in R. Keep the last spot fixed at n and fill in the rest
using permuations(n-1, n-1) from the gtools package.
However, what if clockwise or counterclockwise arrangements are
Thank you for your example. I have successfully modified it with regard to most
fields. However, I think that am not going to be putting this out for my
students. The class I am currently teaching is in multivariate statistics (both
methods and applications, with R used for computing) and I use
andard unix tool), creating an awk script to process the
> file
> into a new file with one line for each record, each line with 18 fields,
> say comma-separated.
> The csv file can then be easily read into R via the function read.csv.
>
> HTH,
> Eric
>
>
> On Thu, Ja
Many thanks for your response!
Best wishes,
Ranjan
On Wed, 17 Jan 2018 20:59:48 -0800 David Winsemius
wrote:
>
> > On Jan 17, 2018, at 8:22 PM, Ranjan Maitra wrote:
> >
> > Dear friends,
> >
> > Is there a way to read data files written in lisp into R?
Dear friends,
Is there a way to read data files written in lisp into R?
Here is the file:
https://archive.ics.uci.edu/ml/machine-learning-databases/university/university.data
I would like to read it into R. Any suggestions?
Thanks very much in advance for pointers on this and best wishes,
Ra
unction is and then determine how to
> >> do a
> >> 2d estimate on the original data. I'm guessing this is homework so not
> >> inclined to offer a complete solution.
> >>
> >> --
> >> David.
> >>
> >>
> >> >
> >> > Can you please tell me how to use this here? Or is some other example
> >
Hi,
I am no expert on ggplot2 and I do not know the answer to your question. I
looked around a bit but could not find an answer right away. But one
possibility could be, if a direct approach is not possible, to draw ellipses
corresponding to the confidence regions of the multivariate t density
Arun,
I would suggest either getting enrolled in a multivariate statistics class and
the pre-requisites for this or going back to your boss and asking him or her to
hire a MS-level statistician since this is clearly beyond your current state of
knowledge.
Don't expect R-help to be a free cons
Hello Ludovico,
What is your goal in taking this class? If you are expecting someone else to do
your homework for you, you should really consider whether you should waste your
time and your funding source's money to take this class.
In any case, HW questions are off-topic for this list.
So, R
I have not followed the history of this thread, but I am quite flummoxed as to
why the OP is rewriting code to estimate parameters from an univariate Gaussian
mixture model when alternatives such as EMCluster (which generally appears to
handle initialization better than MClust) exist. Or perhaps
I guess the question that is being asked here is what is the scaling matrix
that is being returned in the qda object. The help file on qda() says:
...
scaling: for each group ‘i’, ‘scaling[,,i]’ is an array which transforms
observations so that within-groups covariance matrix is spherical.
...
T
Would package "teigen" help?
Ranjan
On Thu, 29 Jun 2017 14:41:34 +0200 vare vare via R-help
wrote:
> Hello!
>
> I am new to R (before used python exclusively and would actually call the R
> solution for this issue inside a python notebook, hope that doesn’t
> disqualify me right of the batc
On Sun, 14 May 2017 09:08:46 -0700 David Winsemius
wrote:
>
> > On May 14, 2017, at 8:43 AM, Ranjan Maitra wrote:
> >
> > Thanks, Duncan!
> >
> > This works for the particular case and is, to my mind, a great solution!
> >
> > However, I was
of Agronomy and Soil Science
> University of New England
> Armidale NSW 2351
> Email: home: mac...@northnet.com.au
>
> -Original Message-
> From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of Ranjan
> Maitra
> Sent: Saturday, 13 May 2017 22:48
>
On Sat, 13 May 2017 20:25:41 +0200 Berend Hasselman wrote:
>
> > On 13 May 2017, at 20:10, David Winsemius wrote:
> >
> >>
> >> On May 13, 2017, at 5:47 AM, Ranjan Maitra wrote:
> >>
> >> On Fri, 12 May 2017 23:39:14 -0700 Daniel No
On Fri, 12 May 2017 23:39:14 -0700 Daniel Nordlund wrote:
> On 5/12/17 4:55 PM, Ranjan Maitra wrote:
> > Hi,
> >
> > Is it possible to display double dot (umlaut) over a character such as
> > would be possible using \ddot x in LaTeX? I can do this using tikzDevice
Hi,
Is it possible to display double dot (umlaut) over a character such as would be
possible using \ddot x in LaTeX? I can do this using tikzDevice but I wanted
something simpler to point to.
Here is an example of what I would like to do, but it is not quite there:
require(ggplot2)
data<-as.d
Hello Louisa,
THis is not a R solution but would it not be easier to use ImageMagick to do
what you are wanting to do? Look up
https://www.imagemagick.org/script/index.php
HTH,
Ranjan
On Wed, 5 Apr 2017 08:23:51 +0100 Louisa Reynolds via R-help
wrote:
> Ok. I have a tiff of size over 2GB. It
Hello Adrian,
It all depends on what the structure of the dataset is. For instance, you said
that all your values are betweenn -1 and 1. Do the data rown sum-squared up to
1? How about the means? Are they zero. I guess all this has to depend on the
application and how the data were processed or
Hi,
The apply here does exactly what you would expect. (Your problem seems to be
with the function that you have written. For some reason, you want to change
the values of path2 but are passing it as a variable o a function. The global
value of path2 will not change.) For that, you have to also
You need to send e-mail from a properly identifiable address (which has a
correct name/e-mail address) and not a made-up scam address. You can easily be
reported for impersonation!
Ranjan
On Fri, 17 Jun 2016 08:51:59 -0500 Narendra Modi wrote:
> Hello,
> Resending this message in "Plain-text
If I am not mistaken, R is not available from the RH repo. It is available from
Fedora's EPEL repo for RH, CentOS and the like. I use Fedora and I have noticed
that 3.3 is in testing repo there. You may want to install it and provide
feedback on bodhi if you want a faster move to EPEL (and Fedor
It would have been more useful to the list and to posterity if you had
summarized whatever it was that worked or solved your problem. This note is not
very meaningful otherwise.
On Sat, 30 Apr 2016 16:00:10 + (UTC) Carl Sutton via R-help
wrote:
> My thanks to Bill Dunlap and Giorgio Gar
Hannah,
Let me see if I can understand your question.
You have 10 observations of a single variable (perhaps some sort of price?).
You also have an equivalence matrix between these observations (which you
possibly called nodes) which stipulates if they are connected together or not.
Given tha
On Wed, 27 Jan 2016 11:51:07 -0500 John Sorkin
wrote:
> I am running normalmixEM:
> mixmdlscaled <- normalmixEM(data$FCWg)
> summary(mixmdlscaled)
> plot(mixmdlscaled,which=2)
>
> If I run the program multiple times, I get widely different results:
>
> > mixmdlscaled <- normalmixEM(data$FCW
On Sat, 16 Jan 2016 04:45:58 + Ben Bolker wrote:
> Ranjan Maitra inbox.com> writes:
>
> >
> > On Fri, 15 Jan 2016 21:25:06 -0600 Ranjan Maitra
> inbox.com> wrote:
> >
> > > Hi,
> > >
> > > I wanted to install tikzDevices on a
m";)
> # make sure your version of R supports https
>
> Regards,
> Yihui
> --
> Yihui Xie
> Web: http://yihui.name
>
>
> On Fri, Jan 15, 2016 at 9:37 PM, Ranjan Maitra
> wrote:
> > On Fri, 15 Jan 2016 21:25:06 -0600 Ranjan Maitra
> > wrote:
&g
On Fri, 15 Jan 2016 21:25:06 -0600 Ranjan Maitra
wrote:
> Hi,
>
> I wanted to install tikzDevices on a installation of R (3.2.3) on a new
> machine. However, I am getting:
>
> > install.packages('tikzDevices')
>
> Warning message:
> package ‘tikz
Hi,
I wanted to install tikzDevices on a installation of R (3.2.3) on a new
machine. However, I am getting:
> install.packages('tikzDevices')
Warning message:
package ‘tikzDevices’ is not available (for R version 3.2.3)
Is there any way out for me other than wait for the tikzDevices to be upd
> >
> > Yes, that is what I thought so too earlier (and indeed is still true, sorry
> > about that). The whole issue started at my end because I misremembered
> > about plotmath which is neither a function nor a package.
> >
> >> Perhaps install.packages() should give a different error message wh
> A couple of things:
>
> First, there is a SIG list specifically for R on Fedora and RHEL
> distributions and their derivatives:
>
> https://stat.ethz.ch/mailman/listinfo/r-sig-fedora
>
> Second, how did you install R? If you used the precompiled binary RPMS for
> Fedora that are available
On Sat, 12 Dec 2015 10:51:16 -0600 Marc Schwartz wrote:
>
> > On Dec 12, 2015, at 10:47 AM, Ranjan Maitra
> > wrote:
> >
> > Hi,
> >
> > I recently needed to install a fresh OS (Fedora 23, where R 3.2.2 is the
> > latest), and which meant every
Hi,
I recently needed to install a fresh OS (Fedora 23, where R 3.2.2 is the
latest), and which meant everything has to be installed from scratch. In so
doing, I got the somewhat familiar:
>install.packages('plotmath')
Installing package into ‘/usr/lib64/R/library’
(as ‘lib’ is unspecified)
War
Hello,
Although there is no R package available (we did not think of it), if you want
a Gaussian-mixture=model-based approach, you may look at the paper:
"Model-Based Clustering of Regression Time Series Data via APECM—An AECM
Algorithm Sung to an Even Faster Beat" by Wei-Chen Chen
---
> Sent from my phone. Please excuse my brevity.
>
> On July 10, 2015 6:44:19 AM PDT, Ranjan Maitra
> wrote:
> >Hi,
> >
> >Sorry to post again, but there is a careless error in my first R code
> >snippet:
> >
> >--- begin R code ---
(X = AB, MARGIN = 3, FUN = (function(mat) ((mat[1:dA, ] %*%
mat[(dA+1):(dim(AB)[1]),], dim = dim(A))
}
system.time(arraymatrixproduct(AA, BB))
--- end R code ---
However, the second is almost twice as long as the first snippet.
Many thanks,
Ranjan
On Fri, 10 Jul 2015 08:23:49 -0500 Ranjan
Dear friends,
I have two 3-d arrays of appropriate dimensions. I want to postmultiply the 2-D
matrix layers of the first with the 2-D matrix layers of the second. Can I do
this easily in R avoiding loops?
As an example:
--- begin R code ---
AA <- array(1:60, dim = c(5500,44,33))
BB <- array(1
Nicki,
I don't know if you will be doing any clustering using kmeans in R, but there
was a bug in 2.15.2 and 2.15.3 IIRC. This was fixed in 3.0.
Btw, are there any capabilities of SPSS that you need and that R can't provide?
Best wishes,
Ranjan
On Fri, 12 Jun 2015 13:37:27 -0400 Nicole Yarkov
Dear friends,
Before reinventing the wheel, I was wondering if anyone can point me to code
for calculating the Wasserstein distance between two densities. I am
particularly interested in mixture densities (in functional form). I know that
we have the earthmovers distance in R via the emdist pa
Sorry, I think you posted to the wrong group.
Ranjan
On Sat, 11 Apr 2015 19:01:04 +0200 John Wasige wrote:
> Dear community,
>
> Sory for cross posting. Does anybody have an idea on how I can do parallel
> in MATLAB?
>
> thanks for your help
>
> --
> John Wasige
>
> [[alternative H
Wyllys
>
>
> On 02/10/2015 05:00 AM, r-help-requ...@r-project.org wrote:
> > ate: Mon, 9 Feb 2015 17:39:14 -0600
> > From: Ranjan Maitra
> > To:
> > Subject: Re: [R] Variance is different in R vs. Excel?
> > Message-ID:<20150209173914.bae4d99ebeadafed35
I suspect that this is the long-documented issue with indeed an entire industry
-- and publications -- devoted to finding such errors in Excel. Till the 2013
version, it used to be a favorite HW problem of mine. Basically, Excel uses the
"short formula" to calculate the variance and the sd. This
Btw, I did hear back immediately from Ian Fellows and it is being maintained as
his time permits, though he himself is not a windows user, and possibly
therefore the issues. I thanked him for his e-mail and was relieved to note
that this is not going away yet.
Thanks again to Duncan, Sarah and
On Fri, 5 Dec 2014 15:27:10 -0500 Duncan Murdoch
wrote:
> On 05/12/2014 3:11 PM, Ranjan Maitra wrote:
> > On Fri, 5 Dec 2014 12:54:17 -0500 Duncan Murdoch
> > wrote:
> >
> > > On 05/12/2014 12:34 PM, Ranjan Maitra wrote:
> > > > Hi,
> > > &g
On Fri, 5 Dec 2014 12:54:17 -0500 Duncan Murdoch
wrote:
> On 05/12/2014 12:34 PM, Ranjan Maitra wrote:
> > Hi,
> >
> > I have been using Deducer for the past year for my very basic 100-level
> > introductory statistics classes for students from other disciplines. I
Hi,
I have been using Deducer for the past year for my very basic 100-level
introductory statistics classes for students from other disciplines. I really
have liked using it for this specific purpose (takes me out of JMP!). However,
over the past few months, issues have started cropping up with
> Sent from my phone. Please excuse my brevity.
>
> On December 1, 2014 6:15:47 AM PST, Martin Maechler
> wrote:
> >Thank you for all the thoughts about alleviating these problems,
> >both to us and the "newbies" (or otherwise e-mail clueless
&g
Following on Rich and Peter, is it practical for the list to put it at the top
then, before the R-message?
Something like:
TO UNSUBSCRIBE from the list: see https://stat.ethz.ch/mailman/listinfo/r-help
And then continue on for each R message. Because top-posting has pretty much
taken over, the
I agree with this sentiment and suggestion. I can not see much of a downside to
it, with the exception that most of these "unsophisticated" users will probably
not even bother reading it. But then we would all be back in the current
situation, not worse.
Ranjan
On Sat, 29 Nov 2014 21:58:23 -05
I don't understand this discussion at all.
n random numbers constrained to have sum <=1 are still random. They are not all
independent.
That said, the original poster's question is ill=formed since there can be
multiple distributions these random numbers come from.
best wishes,
Ranjan
On Sa
On Mon, 3 Nov 2014 13:51:52 +0100 atesh koul wrote:
> Hi all,
>
> I am new to using model based clustering. I am using the clustering to find
> how many clusters could be there in the data and the assignment of trials
> to these clusters.
>
> The data are hand kinematics data- 12 variables at 1
There are lots! eg: Mclust or EMCluster and many more.
Ranjan
On Thu, 9 Oct 2014 10:37:45 +0200 Alexandra Posekany
wrote:
> Hey everybody,
> I am looking for a R implementation of uni- and multivariate GMM clustering
> which is both fast and can provide me with estimates of the respective
> co
Hi Rich,
I believe it means that when called, the function norm() in the 'base'
and the function cor () in the 'NADA' packages are not going to be
used, but rather functions of the same name (norm and cor) in the
package that you loaded with your library () function.
Same applies to other objects
Hi,
I have not followed the e-mail trail, but if you are looking for the C
source code for pbinom, then it is pbinom.c in src/nmath.
HTH,
Ranjan
On Wed, 27 Aug 2014 08:34:11 -0400 Marius Hofert
wrote:
> Dear Sarah, Dear David,
>
> thanks for helping. I know the FAQ and I know the R News arti
Hi Louise,
I tried using Deducer (graphical frontend to R) in my introductory
class (Stat 105 at Iowa State University) for civil and construction
engineers and this was a roaring success this year. The class itself
has a wee bit of software experience, which has previously been done
using JMP. M
On Tue, 27 May 2014 14:01:56 +1000 Jim Lemon wrote:
> On Mon, 26 May 2014 09:43:45 AM Ranjan Maitra wrote:
> > ...
> > Though, I have to say I don't quite see how you managed to install R
> > without the above package (it is a required dependency on Fedora).
> &
Hi,
> As I could not find any way to install pdflatex (it didn't appear on a yum
> search), I tried a method that claimed to install pdflatex via a package
Trying
yum provides */pdflatex
will yield the package name:
texlive-latex-bin-bin.
Though, I have to say I don't quite see how you ma
Hi Scott,
You could set up a three-dimensional array and then use apply on the
desired dimension (MARGIN in apply language).
HTH!
Many thanks,
Ranjan
On Wed, 30 Apr 2014 17:54:48 + "Waichler, Scott R"
wrote:
> Hi,
>
> I want to apply a custom function to all the elements of one matrix.
Cassie,
I am sorry but do you even know what k-means does? That it is a locally
optimal algorithm. That different software implement the same algorithm
differently.
FYI, R uses the Hartigan-Wong (1979) algorithm by default, which is
probably the most efficient out there.
I suggest you first go
On Wed, 26 Mar 2014 18:35:34 + "Tomassini, Letizia"
wrote:
>
> Hello
> I need to ask questions about the k-means clustering function. Mainly I would
> like to know why, with the use of nstart=enough number of times, kmeans
> always finds the same clustering arrangements; and this happens e
On Mon, 3 Mar 2014 16:17:11 -0500 Duncan Murdoch
wrote:
> On 14-03-03 4:02 PM, Ranjan Maitra wrote:
> > Hi,
> >
> > I have struggled with this quite a bit (all morning and afternoon) and I
> > am not sure I am any close to a solution. Basically, here is my sample
>
Hi,
I have struggled with this quite a bit (all morning and afternoon) and I
am not sure I am any close to a solution. Basically, here is my sample
code:
require(grid)
require(ggplot2)
X <- data.frame(x = c(rnorm(10), rnorm(10, mean = 2, sd = 2), rnorm(10,
mean =5)), group = c(rep("Ellipse", 10)
-graphics/
> Here is an example:
>
> library(tikzDevice)
> tikz('test-math.tex', standAlone = TRUE)
> plot(1, main = '$\\check{Y}$')
> dev.off()
> system('pdflatex test-math.tex')
>
>
> Regards,
> Yihui
> --
> Yihui Xie
&
Hi,
I am trying to put the expression which in LaTeX would be $\check Y$ as
a label on the axis of a plot.
How does one get the \check part of the above to produce a similar
symbol in plotmath in R? I looked around plotmath's help but could not
see this in the documentation.
Many thanks for any
Dear friends,
OK, I did not think that it would ever come down to this, but I am
here with a question on what would be the best point-and-click approach
to using R in the classroom in a way that the students can also follow
and exhibit (on their own).
So let me explain: I am teaching an introduc
Hello Taak,
I don't believe that this can be done. What you are asking for is
essentially a constrained k-means algorithm with the constraint that
regardless of the consequences (higher within sum or squares), you
restrict each of the K groups to have at least N observations: within
this constrain
Don't know if the data will support the result that you want but the
only way to get some sort of answer is to hire a statistician.
ranjan
On Wed, 13 Nov 2013 20:58:30 -0400 Jim Silverton
wrote:
> Hi,
>
>
>
> I have 187 urine cultures which were subjected to culture and microscopy
> methods.
On Sun, 3 Nov 2013 10:42:06 +0100 Petar Milin
wrote:
> Hello!
> Can anyone give me advice on running Hierarchical Cluster Analysis on large
> datasets? For example, 8x1. Calculating distances on such a
> dataframe seems impossible even on very powerful computer.
>
> Also, any other advic
Hi,
Are you using Linux? If so, you may use ImageMagick and try your luck
using
convert filename.whatever.format filename.tiff
There are lots of options in ImageMagick. (Read the manual.)
I have done this in the past, and it has worked. However, your exact
situation may be different, so sorry
Fedora does have the latest (both Fedora 18/19) R in the repos. (They
are pretty good about this).
To install R, try:
sudo yum install R-core
That will do it.
To update, rather than install:
try
sudo yum update R-core
HTH,
Ranjan
On Sat, 6 Jul 2013 20:22:13 -0700 Peter Langfelder
wrote:
Hi,
Did you try:
update.packages(installed.packages()[,1])
or
install.packages(installed.packages()[,1])
This will reinstall the packages you have on your system and for which
updates for 3.0.1 exist.
In my experience, as recounted here earlier, update.packages()
does not always work: it bre
On Sat, 1 Jun 2013 16:51:19 +0200 Uwe Ligges
wrote:
>
>
> On 01.06.2013 15:58, Ranjan Maitra wrote:
> > On Sat, 1 Jun 2013 14:58:22 +0200 Uwe Ligges
> > wrote:
> >
> >>
> >>
> >> On 01.06.2013 02:02, Ranjan Maitra wrote:
>
On Sat, 1 Jun 2013 14:58:22 +0200 Uwe Ligges
wrote:
>
>
> On 01.06.2013 02:02, Ranjan Maitra wrote:
> > On Fri, 31 May 2013 18:10:19 -0500 Robert Baer wrote:
> >
> >> On 5/31/2013 11:59 AM, Ranjan Maitra wrote:
> >>> Hi John,
> >>>
> &
On Fri, 31 May 2013 18:10:19 -0500 Robert Baer wrote:
> On 5/31/2013 11:59 AM, Ranjan Maitra wrote:
> > Hi John,
> >
> > I suspect you may be missing a c()?
> >
> > On Fri, 31 May 2013 06:05:45 -0800 John Kane
> > wrote:
> >
> >>
Hi John,
I suspect you may be missing a c()?
On Fri, 31 May 2013 06:05:45 -0800 John Kane
wrote:
> paks <- install.packages( "Hmisc", "plyr")
paks <- install.packages( c("Hmisc", "plyr"))
> install.packages(paks)
> You can use the command library() to get a list of what is installe
There is a documented bug in R 2.15.2 and R 2.15.3. The developers
decided not to fix this with an update, but it has been fixed with R
3.0.0 (perhaps also with R 3.0.1, which I have not tried myself). So,
upgrading R should take care of this problem.
HTH,
Ranjan
On Sun, 19 May 2013 16:17:30 +020
Actually, quite a few journals do ask for .tiff (or, often, also .eps)
only (as part of their webpage instructions) but my experience has been
that many take .pdf without a lot of fuss.
The OP could try and see if pdf will fly. If not, then (s)he can go
for TIFF images. If this is at the journal
First, do you know what a multivariate multiple (linear) regression
means? As opposed to (univariate) multiple (linear) regression. As
others have pointed out, the example referred to is of univariate
multiple linear regression.
Second, and more importantly, have you yourself tried doing the need
On Fri, 22 Mar 2013 09:31:53 -0700 Bert Gunter
wrote:
> Well...
>
> On Fri, Mar 22, 2013 at 8:20 AM, Ranjan Maitra <
> maitra.mbox.igno...@inbox.com> wrote:
>
> > I don't believe that you necessarily need to use simulation for this.
> > But you do need num
I don't believe that you necessarily need to use simulation for this.
But you do need numerical integration. Here is a skeletal approach.
Calculate the density (distribution) of the order statistics of a
multivariate sample. Then since the underlying distribution is
multivariate normal, use a mult
Dear friends,
I have been trying out the C and the R codes in the fastICA package.
However, it turns out that these often give vastly different results,
especially when row.norm is set to T. This happens even though I have
initialized the input matrix to be exactly the same for both of them.
Here
Dear friends,
Being very new to this, I was wondering if I could get some pointers
and guidance to interpreting the results of performing a linear
regression with ordinal predictors in R.
Here is a simple, toy example:
y <- c(-0.11, -0.49, -1.10, 0.08, 0.31, -1.21, -0.05, -0.40, -0.01,
[1]),function(i) Z[i,,]%*%Y[,i]))
> # [,1] [,2] [,3] [,4] [,5]
> #[1,] 5065 6070 12328 11536 13678
> #[2,] 6152 9878 11161 13777 7991
Yes, this does it, many thanks!
Ranjan
>
>
>
>
> - Original Message -
> From: Ranjan Maitra
> To: r-help@r-p
Hello,
I have been wondering of an efficient way to do this:
I have an n x m x p array Z and a p x n matrix Y.
I want to multiply each of the n matrices with the corresponding column
vector of Y.
In other words, I am wanting to matrix multiply:
Z[i, ,] %*% Y[, i]
which will give me a (two-di
Hi,
How does one change the dot for the median in a boxplot drawn using
lattice? I have been looking at
> names(trellis.par.get())
[1] "grid.pars" "fontsize" "background"
[4] "panel.background" "clip" "add.line"
[7] "add.text" "plot.polyg
Dear friends,
I am trying to understand and implement instrumental variables
regression using R.
I found a small (simple) example here which purportedly illustrates the
mechanics (using 2-stage least-squares):
http://www.r-bloggers.com/a-simple-instrumental-variables-problem/
Basically, here ar
On Tue, 2 Oct 2012 14:32:12 -0400 John Sorkin
wrote:
> Ranjan,
> Thank you for your help. What eludes me is how one computes the distance from
> each cluster for each subject. For my first subject, datascaled[1,], I have
> tried to use the following:
> v1 <- sum(fit$centers[1,]*datascaled[1,])
John,
On Tue, 2 Oct 2012 11:35:12 -0400 John Sorkin
wrote:
> Window XP
> R 2.15
>
> I am running a cluster analysis in which I ask for three clusters (see code
> below). The analysis nicely tells me what cluster each of the subjects in my
> input dataset belongs to. I would like two pieces o
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