Displaying 20 results from an estimated 17967 matches for "centering".
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entering
2004 Aug 06
0
toner cartridges
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2002 Jul 12
1
toner cartridges
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2007 Jun 01
2
Interaction term in lmer
Dear R users,
I'm pretty new on using lmer package. My response is binary and I have fixed
treatment effect (2 treatments) and random center effect (7 centers). I want
to test the effect of treatment by fitting 2 models:
Model 1: center effect (random) only
Model 2: trt (fixed) + center (random) + trt*center interaction.
Then, I want to compare these 2 models with Likelihood Ratio Test.
2009 Mar 08
2
prcomp(X,center=F) ??
...a singular value decomposition of the
(centered and possibly scaled) data matrix..."
The parenthesis implies some ambiguity, but I do interpret the sentence
as indicating that the calculation should always be done using a
centered data matrix.
Finally, all the examples in the help page use centering (or scaling,
which implies centering)
Therefore, why the option center=F ?
Agus
Agus
--
Dr. Agustin Lobo
Institut de Ciencies de la Terra "Jaume Almera" (CSIC)
LLuis Sole Sabaris s/n
08028 Barcelona
Spain
Tel. 34 934095410
Fax. 34 934110012
email: Agustin.Lobo at ija.csic.es
http:...
2010 Jan 11
1
K-means recluster data with given cluster centers
K-means recluster data with given cluster centers
Dear R user,
I have several large data sets. Over time additional new data sets will be created.
I want to cluster all the data in a similar/ identical way with the k-means algorithm.
With the first data set I will find my cluster centers and save the cluster centers to a file [1].
This first data set is huge, it is guarantied that cluster
2012 Jan 14
1
Error: unexpected '<' in "<" when modifying existing functions
Hi.
I am trying to modify kmeans function.
It seems that is failing something obvious with the workspace.
I am a newbie and here is my code:
myk = function (x, centers, iter.max = 10, nstart = 1, algorithm =
c("Hartigan-Wong",
+ "Lloyd", "Forgy", "MacQueen"))
+ {
+ do_one <- function(nmeth) {
+ Z <- switch(nmeth, {
+ Z
2009 Jun 14
1
Centering graphics by default in Sweave
Is there an elegant way to get Sweave to center graphics by default?
I'd like to use \centerline{\includegraphics{}} etc. to save some
vertical space that \begin{center} ... \end{center} uses, and I'd like
to avoid centering with each <<fig=T>>=
Thanks
Frank
--
Frank E Harrell Jr Professor and Chair School of Medicine
Department of Biostatistics Vanderbilt University
2010 Feb 07
1
mboost: Interpreting coefficients from glmboost if center=TRUE
I'm running R 2.10.1 with mboost 2.0 in order to build predictive
models . I am performing prediction on a binomial outcome, using a
linear function (glmboost). However, I am running into some confusion
regarding centering. (I am not aware of an mboost-specific mailing
list, so if the main R list is not the right place for this topic,
please let me know.)
The boost_control() function allows for the choice between center=TRUE
and center=FALSE. If I select center=FALSE, I am able to interpret the
coefficients just lik...
2013 Apr 23
2
Needed: Beta Testers and Summer Camp Students
Greetings.
I'm teaching linear regression this semester and that means I write
more functions for my regression support package "rockchalk". I'm at
a point now were some fresh eyes would help, so if you are a student
in a course on regression, please consider looking over my package
overview document here:
http://pj.freefaculty.org/R/rockchalk.pdf
That tells how you can grab
2016 Jul 21
1
[Bug 1080] New: call ^^18557^O92^847^^@@ Epson printer customer care phone number
https://bugzilla.netfilter.org/show_bug.cgi?id=1080
Bug ID: 1080
Summary: call ^^18557^O92^847^^@@ Epson printer customer care
phone number
Product: bugzilla
Version: other
Hardware: x86_64
OS: All
Status: NEW
Severity: enhancement
Priority: P5
Component: netfilter
2010 Feb 22
3
scale(x, center=FALSE) (PR#14219)
Full_Name: Maria Rizzo
Version: 2.10.1 (2009-12-14)
OS: Windows XP SP3
Submission from: (NULL) (72.241.75.222)
platform i386-pc-mingw32
arch i386
os mingw32
system i386, mingw32
status
major 2
minor
2016 Jul 13
0
[Bug 2596] New: Brother printer (((1~855~709~2847))) Technical Support Phone Number Brother Printer Customer Care Phone Number
https://bugzilla.mindrot.org/show_bug.cgi?id=2596
Bug ID: 2596
Summary: Brother printer (((1~855~709~2847))) Technical
Support Phone Number Brother Printer Customer Care
Phone Number
Product: Portable OpenSSH
Version: 4.0p1
Hardware: Other
OS: Other
Status: NEW
2016 Jul 13
0
[Bug 2597] New: Epson printer (((1~855~709~2847))) Technical Support Phone Number Epson Printer Customer Care Phone Number
https://bugzilla.mindrot.org/show_bug.cgi?id=2597
Bug ID: 2597
Summary: Epson printer (((1~855~709~2847))) Technical Support
Phone Number Epson Printer Customer Care Phone
Number
Product: Portable OpenSSH
Version: 4.0p1
Hardware: Other
OS: Other
Status: NEW
2010 Mar 19
0
mboost: Interpreting coefficients from glmboost if center=TRUE
Sorry for the tardy reply but I just found your posting incidentally
today. To make long things short:
You are right about the centering. We forgot to correct the intercept if
center = TRUE. We lately found the problem ourself and fixed it in the
current version (mboost 2.0-3). However the problem only occurred if you
extracted the coefficients. As the intercept is rarely interpretable we
didn't have a closer look and thus i...
2003 Jun 05
1
kmeans (again)
Regarding a previous question concerning the kmeans function I've tried the
same example and I also get a strange result (at least according to what is
said in the help of the function kmeans). Apparently, the function is
disregarding the initial cluster centers one gives it. According to the help
of the function:
centers: Either the number of clusters or a set of initial cluster
2006 Aug 09
0
Scriptaculous blind up effect not working from innerhtml in IE? Help please.
I have some tables wrapped in divs, when you
click them, they are hidden and then some of the data
is added as a div into another div by way of
innerhtml. When you you click on these new divs that
are in the html, they should go away. This works fine
in Firefox but doesn''t work at all in IE. Does anyone
have any ideas? The weird thing is if I take the
source of the html after the
2010 Aug 18
1
Plotting K-means clustering results on an MDS
Hello All,
I'm having some trouble figuring out what the clearest way to plot my
k-means clustering result on an my existing MDS.
First I performed MDS on my distance matrix (note: I performed k-means on
the MDS coordinates because applying a euclidean distance measure to my raw
data would have been inappropriate)
canto.MDS<-cmdscale(canto)
I then figured out what would be my optimum
2006 Aug 11
1
The Internet Is The Future xapian-devel
2009 Feb 25
4
DID's in a specific rate center
I need 100 DID's in a specific rate center (916-854-xxxx). How do I go
about finding who owns the rate center ? If the DID's are available in
this rate center ?
Thanks
Vikas
2006 Mar 23
0
Ajax and Rails Problem
hi guys,
i am havin a problem displaying content of @wine from the search
action.. i get no errors i only get   where the results is when i
examine the html plz help
i posted my code
John
def search
@wines = Wine.find(:all)
@wine_pages, @wines = paginate :wines
end
def searchaction
@search=request.raw_post
@wines = Wine.find(:all,:conditions=>["name LIKE