Displaying 20 results from an estimated 340 matches for "gentlemen".
2005 Jul 28
3
using integrate with optimize nested in the integration
...187.499393759 with absolute error < 2.1e-12
However this is an approximation of : 15*(5^2/2 - 0)=187.5, not what I intended on getting. Its not identifying that f is a function of bhat ... any advice or ways I can get integrate to not treat this as a constant?
Any help is appreciated.
Gregoy Gentlemen
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2008 Mar 14
2
using nrow to identify one row
...m is that nrow(temp[1,]) returns NULL. I would like it to return 1 because in my larger program I am indexing the rows of large matrices according to another variable and I need to test when the resulting matrices have 0, 1 or more rows.
Thanks in advance for any assistance.
Best regards,
Gregory Gentlemen
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2010 Jan 27
3
Function for describing segements in sequential data
...and ends at 3, and the second segment starts at location 8 and ends at location 10. Is there an efficient way of doing this in R without having to right a bunch of if-else conditions? I know the rle function will report the length of the segments but not the endpoints.
Thanks in advance.
Gregory Gentlemen
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[[elided Yahoo spam]]
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2008 May 21
2
how to do pairwise sums in a matrix
...uot;,"U.A","U.B","V.A","V.B")
miss.ind <- rbinom(500,1,prob=0.98)
Mat[!as.logical(miss.ind)] <- NA
So I would like to produce 50 by 5 matrix where the columns are the sums of A+B measurements for each of the 5 variables.
Thanks for any help.
Gregory Gentlemen
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2007 Jul 28
8
generating symmetric matrices
Greetings,
I have a seemingly simple task which I have not been able to solve today. I want to construct a symmetric matrix of arbtriray size w/o using loops. The following I thought would do it:
p <- 6
Rmat <- diag(p)
dat.cor <- rnorm(p*(p-1)/2)
Rmat[outer(1:p, 1:p, "<")] <- Rmat[outer(1:p, 1:p, ">")] <- dat.cor
However, the problem is that the matrix
2005 Jun 25
2
optimization problem in R ... can this be done?
...t some n for this value of x. my issue is writing some code to systematically obtain this value.
Is R capable of handling such a problem? (i.e. through some sort of optimization fucntion, or some sort of grid search with the relevant constraints)
Any suggestions would be appreciated.
Gregory Gentlemen
gregory_gentlemen@yahoo.ca
The following is a sketch of an optimization problem I need to solve.
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2009 Oct 06
4
Text editors for Sweave (rnw) files
Hi fellow R-users,
Are there any text editors that recognize sweave (.rnw) files? I am running Windows Vista and in the past I used Tinn-R for R files but it (surprisingly) doesn't recognize rnw files and does not do any syntax highlighting for them.
Thanks in advance,
Greg
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Make your browsing faster, safer, and
2008 Jun 05
4
kernels and irc
I was in the #centos-social channel and simply stated that I noticed
CentOS 3-4 were getting a lot of updates. I also stated that the CentOS
5 was one kernel behind, as in RHEL it is at -53, the gentlemen then
told me that I was wrong and it was at -21. I then asked if there was a
way to get a progress report somehow on 5.2, and that 5.2 has already
upgraded that kernel. The result was that I was banned for being
correct. I dont understand this kind of support.
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2017 Apr 19
3
Modules Shadow Copy and Full Audit
On Mon, 2017-04-03 at 13:36 +0000, Ricardo Pardim Claus via samba wrote:
> Gentlemen,
>
> Can anyone tell me if the modules below are working normally in versions later than 4.4.5?
>
> Shadow Copy service
What problems were you facing with shadow_copy2 module in later versions?
>
> full_audit
> I'm in version 4.4.5. However, when I had to use these m...
2006 Feb 24
2
Minor documentation improvement
Gentlemen,
In the documentation for reshape, in the function signature, the
argument "direction" is not listed. However, it is explained in the
explanation of parameters below.
I am using R 2.2.1.
Out of curiosity: Is the R core team still an all-male affair? I don't
think I have seen a sin...
2008 Jan 14
3
Listing the data contents of a package
Hi R users,
Simply question: On the command line, how do I list the datasets contained within a package, e.g. MASS?
I scanned the mailing list history but was unable to find the answer.
Thanks in advance.
Gregory
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2010 Sep 10
3
Is there a bisection method in R?
Dear fellow R-users,
Is there a function that does the bisection method? I was unable to find one.
Thanks in advance.
Gregory
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2006 Jan 10
2
(no subject)
Dear ladies and gentlemen!
When I use the plot funtion how can I change the size of the title for the x and
y axes (xlab, ylab)and the size of the axes label ?
Thank you very much.
With best regards
Claudia
2003 Apr 23
3
top failure
Hello gentlemen,
I've discovered an interesting failure on some machine running
4.7. It's so weird so I'd very unlikely notice it at all, but
thanks to top(1): when launched, instead of displaying some
useful figures it exits with an error: "top: nlist failed".
>From quick look it appears...
2011 Jan 23
3
FUNC_ODBC and ARRAY
Gentlemen,
I have googled, searched the mailing list archives, and even spoke on
the IRC channel, but have not found an answer to the following
problem. I am attempting to retrieve multiple columns in an ODBC query
using ARRAY per the solutions offered by many individuals. My dialplan
code is as follows:
e...
2011 Nov 08
2
Linux hosts file /etc/hosts
Good afternoon Gentlemen,
I have a question regarding /etc/hosts for CentOS 6 x64. I already have
a hostname set on my server, however there are 10 additional IP aliases
assigned to the box, one which I plan to use as a mail server. The mail
server will be serving mail for a completely different domain (different
then...
2011 Nov 08
2
CentOS 6 yum Groupinstall vs Manual install
Gentlemen,
I have a question regarding yum groupinstall vs just using yum install.
I have been reading tutorials online (for example how to run a Centos
LAMP). Most of the tutorials have examples to install httpd, mysql, etc
using yum install httpd....
The reason for this e-mail is that I noticed in yum...
2008 Mar 10
1
How can I sample from a two-dimensional grid of points
...this is easy:
n.samples <- 1000
# assuming mu.p and muA.grid are now the appropriate vectors
mu <- sample(muA.grid, n.samples, replace=T, prob=mu.p)
However, im not sure how to do this in two-dimensions in R.
Thanks in advance for any help.
All the best,
Gregory Gentlemen
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2015 Feb 09
2
Another Fedora decision
...eal book itself. Buying
real book is by no means unethical.
Still, there are many knowledgeable people on the list, they may give
different recommendation, which will create some pool of choices. I asked
John and Jonathan, I'd like to ask also Les Mikesell and Mr. SilverTip257:
what would you, gentlemen, recommend? Anybody? (I know there are many
experts on the list - larger number than my poor brain can hold ;-)
Valeri
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Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Ch...
2009 Apr 09
3
Multiple Hexbinplots in 2 columns with a Single Categorical Variable
Dear Ladies and Gentlemen,
I have a fairly large database (N=13,000) and a single main categorical
discriminator between the groups.
I want to look at the time course of a number of continuous biochemical
variables over chronologic age.
Therefore I believe I need to prepare hexbinplots in two columns with simple...