think we should refer
to gigabytes instead when discussing memory usage.
Mike
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide
Date: Thu, 14 Apr 2011 11:29:23 +0200
From: r.m.k...@gmail.com
To: r-help@r-project.org
Subject: [R] Identify period length of time series automatically?
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Hi
I have 10.000 simulations for a
Date: Wed, 13 Apr 2011 10:57:58 -0700
From: frederikl...@gmail.com
To: r-help@r-project.org
Subject: Re: [R] Incremental ReadLines
Hi there,
I am having a similar problem with reading in a large text file with around
550.000 observations with
On 14/04/11 11:57, Mike Marchywka wrote:
Date: Thu, 14 Apr 2011 11:29:23 +0200
From: r.m.k...@gmail.com
To: r-help@r-project.org
Subject: [R] Identify period length of time series automatically?
-BEGIN PGP SIGNED MESSAGE
interested in working on developing some of these
features in R? We have GPL code from PLINK and Octave that might help a
lot.
http://www.gnu.org/software/octave/doc/interpreter/Integer-Data-Types.html
Best,
Mike
--
Michael B. Miller, Ph.D.
Bioinformatics Specialist
Minnesota Center for Twin
Date: Thu, 14 Apr 2011 11:57:40 -0400
Subject: Re: [R] Incremental ReadLines
From: frederikl...@gmail.com
To: marchy...@hotmail.com
CC: r-help@r-project.org
Hi Mike,
Thanks for your comment.
I must admit that I am very new to R and although
Hi,
I was wondering if anyone knew whether R is capable of integrating with the
following work load/resource managers TORQUE, OpenPBS, PBS Pro, LSF, and SGE?
Thanks,
Mike
[[alternative HTML version deleted]]
__
R-help@r-project.org
Date: Sat, 9 Apr 2011 14:34:28 -0700
From: kmshafi...@yahoo.com
To: r-help@r-project.org
Subject: [R] Converting edgelist to symmetric matrix
Hi,
I have network data in the form of a couple of edgelists containing weights in
the format x,y,weight whereby x represents row header and y
().
Regards,
Mike
--
-
Mike W.L. Cheung Phone: (65) 6516-3702
Department of Psychology Fax: (65) 6773-1843
National University of Singapore
http://courses.nus.edu.sg/course/psycwlm/internet
Date: Sat, 9 Apr 2011 14:34:28 -0700
From: kmshafi...@yahoo.com
To: r-help@r-project.org
Subject: [R] Converting edgelist to symmetric matrix
Hi,
I have network data in the form of a couple of edgelists containing weights in
the format
Date: Thu, 7 Apr 2011 04:15:50 -0700
From: antuj...@gmail.com
To: r-help@r-project.org
Subject: Re: [R] Scrap java scripts and styles from an html document
Hi ,
I am working on developing a web crawler.
Comments like this come up on the
Date: Tue, 5 Apr 2011 13:37:12 +0530
From: nandan.a...@gmail.com
To: rasanpreet.k...@gmail.com
CC: r-help@r-project.org
Subject: Re: [R] system() command in R
On 4 April 2011 16:54, rasanpreet kaur suri wrote:
Hi all,
I have a local
Date: Tue, 5 Apr 2011 07:35:04 -0500
From: ravi.k...@gmail.com
To: r-help@r-project.org
Subject: [R] Time series example in Koop
I am trying to reproduce the output of a time series example in Koop's book
Analysis of Financial Data. Koop does the example in Excel and I used the
ts
Date: Sun, 3 Apr 2011 01:35:16 +0530
From: nandan.a...@gmail.com
To: padmanabhan.vija...@gmail.com
CC: r-help@r-project.org
Subject: Re: [R] help
One way that u might have thought of is to create plot in PDF in R and the
use pdftools.
Additionally one can also think of running R script
( sorry if this is a duplicate, I am not sure if hotmail is
dropping some of my posts. Thanks )
You obviously want to delegate inner loops to R packages that
execute as native, hopefully optimized, code.
Generally a google search that starts with R CRAN will help.
In this case it looks
, Mike Marchywka wrote:
You obviously want to delegate inner loops to R packages that
execute as native, hopefully optimized, code.
Generally a google search that starts with R CRAN will help.
In this case it looks like a few packages available,
http://www.google.com/search?sclient=psyhl=enq
Date: Fri, 25 Mar 2011 09:40:39 +
From: all...@cybaea.com
To: muenchen@gmail.com
CC: frien...@yorku.ca; had...@rice.edu; r-h...@stat.math.ethz.ch
Subject: Re: [R] Popularity of R, SAS, SPSS, Stata, Statistica, S-PLUS updated
Not R,
Date: Thu, 24 Mar 2011 03:35:31 -0700
From: kont...@alexanderbachmann.de
To: r-help@r-project.org
Subject: [R] Problem with Snowball RWeka
Dear Forum,
when I try to use SnowballStemmer() I get the following error message:
Could not initialize
Subject: Re: [R] Rapache ( was Developing a web crawler )
From: m...@biostatmatt.com
To: marchy...@hotmail.com
CC: r-help@r-project.org
Date: Sun, 6 Mar 2011 13:51:53 -0500
On Sun, 2011-03-06 at 08:06 -0500, Mike Marchywka wrote
Date: Tue, 22 Mar 2011 09:31:01 -0700
From: crossp...@hotmail.com
To: r-help@r-project.org
Subject: [R] lm ~ v1 + log(v1) + ... improve adj Rsq ¿any sense?
Dear all,
I want to improve my adj - R sq. I 've chequed some established models and
Date: Sat, 19 Mar 2011 19:32:43 -0500
From: shali...@gmail.com
To: r-help@r-project.org
Subject: [R] How to draw a map of Europe?
Hi R users,
I need to draw a map of select European countries with country names shown
on the map. Does anyone
Date: Wed, 16 Mar 2011 13:50:37 -0700
From: solomon.mess...@gmail.com
To: r-help@r-project.org
Subject: Re: [R] How to make sure R's g++ compiler uses certain C++ flags
when making a package
Looks like the problem may be that R is automatically
.
If you want to mirror the behaviors in other SEM packages, you may try:
fit2 - sem(model, sample.nobs=161, sample.cov=myCov, fixed.x=FALSE)
inspect(fit2, what=free)
summary(fit2)
Hope it helps.
Mike
--
-
Mike W.L. Cheung
Did you post your data or hypothetical data?
Usually that helps make your problem more clear and more interesting
( likely to get a useful response to your post).
From: tintin...@hotmail.com
To: r-help@r-project.org
Date: Thu, 17 Mar 2011 17:38:14
Date: Wed, 9 Mar 2011 10:55:46 +1300
From: darcy.web...@gmail.com
To: r-help@r-project.org
Subject: [R] minimum distance between line segments
Dear R helpers,
I think that this may be a bit of a math question as the more I
consider it,
plot but a y-axis
label at every integer (i.e. labels at 5,6,7,8,9,10,...25).
I have been unable to figure this out. Any adice would be greatly appreciated.
Mike
[[alternative HTML version deleted
.
This is necessary because my SQLDF is part of a larger function that I call
that repeatedly with different column names.
Code below... thank you in advance!
Mike
library(sqldf)
testdf-data.frame(c(1,2,3,4,5,6,7,8,9,10),c(1,1,1,2,2,2,3,3,3,3))
names(testdf)-c(X,Y)
# Works as intended
sqldf(select sum(X
To: r-h...@stat.math.ethz.ch
From: hwborch...@googlemail.com
Date: Wed, 9 Mar 2011 17:45:53 +
Subject: Re: [R] minimum distance between line segments
Darcy Webber gmail.com writes:
Dear R helpers,
I think that this may be a bit of a
Date: Mon, 7 Mar 2011 14:15:49 +0100
From: johannes.pen...@mfn-berlin.de
To: r-help@r-project.org
Subject: [R] null model for a single species?
Dear List members,
I would like to test whether an observed occupancy of lakes in a landscape
From: uwe.wolf...@uni-ulm.de
To: andy_l...@merck.com
Date: Sat, 5 Mar 2011 17:14:12 +0100
CC: r-help@r-project.org; gunter.ber...@gene.com
Subject: Re: [R] Coefficient of Determination for nonlinear function
Dear Bert, dear Andy,
thanks for
Date: Thu, 3 Mar 2011 13:04:11 -0600
From: matt.shotw...@vanderbilt.edu
To: r-help@r-project.org
Subject: Re: [R] Developing a web crawler / R webkit or something similar?
[off topic]
On 03/03/2011 08:07 AM, Mike Marchywka wrote
Date: Sun, 6 Mar 2011 15:42:11 -0800
From: ksa...@gmail.com
To: r-help@r-project.org
Subject: [R] Monte carlo help
Hello, I am currently doing my project and I need some help.
I am trying to schedule tutors for a study room where students
?image
?matrix
z-matrix(rnorm(100),nrow=10)
image(1:10,1:10,z)
heatmap(z)
Date: Fri, 4 Mar 2011 09:04:41 +0100
From: p.pa...@wzw.tum.de
To: r-help@r-project.org
Subject: Re: [R] How two compare two matrixes
Dear all I have two 10*10
Hey everyone,
I am interest in running a Lepage multi sample test and i would like to ask
if there is any code availabe for that.
Thank you in advance
--
View this message in context:
http://r.789695.n4.nabble.com/Lepage-Test-tp3335861p3335861.html
Sent from the R help mailing list archive at
Subject: Re: Lepage Test
Hi Mike,
RSiteSearch(Lepage)
looks promising.
Best,
Ista
On Fri, Mar 4, 2011 at 8:00 PM, mike [hidden
email]https://exchange.uky.edu/owa/UrlBlockedError.aspx wrote:
Hey everyone,
I am interest in running a Lepage multi sample test and i would like to ask
Date: Thu, 3 Mar 2011 01:22:44 -0800
From: antuj...@gmail.com
To: r-help@r-project.org
Subject: [R] Developing a web crawler
Hi,
I wish to develop a web crawler in R. I have been using the functionalities
available under the RCurl package.
I am able to extract the html content of
Date: Wed, 2 Mar 2011 11:44:41 +
From: ali.zolfagh...@gmail.com
To: r-help@r-project.org
Subject: [R] R and Android
Hi List,
Is anybody aware of any R console available for Android mobile? I know that
there is one for Iphone.
I was just
Date: Tue, 1 Mar 2011 02:41:00 -0800
From: joo...@hanmail.net
To: r-help@r-project.org
Subject: [R] Is there any Command showing correlation of all variables in a
dataset?
Thanks in advance.
I want to derive correlations of variables
Date: Mon, 28 Feb 2011 19:18:18 -0800
From: kadodamb...@hotmail.com
To: r-help@r-project.org
Subject: [R] Simulation
I tried looking for help but I couldn't locate the exact solution.
I have data that has several variables. I want to do several
Date: Sun, 27 Feb 2011 14:31:57 -0800
[[elided Hotmail spam]]
From: jwiley.ps...@gmail.com
To: marchy...@hotmail.com
CC: r-help@r-project.org
On Sun, Feb 27, 2011 at 9:16 AM, Mike Marchywka wrote:
I can probably find more negative ones
ok, third try. This is a repost of a message never made it
past mod as I cancelled while it was waiting to clean up some
code to at least make it close to working.
I think this does more or less what you want,
library(VecStatGraphs2D)
DrawDensityMap(x1,x2,PaintPoint=TRUE)
but if not see
Date: Sun, 27 Feb 2011 08:27:00 -0800
From: markkne...@gmail.com
To: gunter.ber...@gene.com
CC: r-help@r-project.org
Subject: Re: [R] Hello!
On Sat, Feb 26, 2011 at 10:11 PM, Bert Gunter wrote:
Are you a fan of James Joyce? Is the Caps key on your keyboard broken?
-- Bert
Date: Thu, 24 Feb 2011 13:28:18 -0800
From: dannyb...@gmail.com
To: r-help@r-project.org
Subject: Re: [R] Group rows by common ID and plot?
does this do what you want?
library(lattice)
? I've been unsuccessful in my
research.
Thanks,
Mike
library(e1071)
a-c(1,1,1,1,0,0,0,0)
b-c(A,B,A,B,A,B,A,B)
c-c(X,X,Y,Y,X,X,Y,Y)
d-c(4,3,2,1,20,15,11,4)
input-data.frame(a,b,c,d)
## NAIVE BAYES - NO WEIGHT ##
model - naiveBayes(a ~ factor(b)+factor(c), data = input)
## NAIVE BAYES - WEIGHT
Hello R folks,
Reproducible code below - I'm trying to do a weighted mean by a factor and
can't figure it out. Thanks in advance for your assistance.
Mike
data-data.frame(c(5,5,1,1,1),
c(10,8,9,5,3),
c(A,A,A,B,B))
names(data)-c
I withdraw this question, I was able to accomplish this by creating a new
function.
Now if only I could get the by output into a dataframe...
Mike
On Wed, Feb 23, 2011 at 2:25 PM, Mike Schumacher
mike.schumac...@gmail.comwrote:
Hello R folks,
Reproducible code below - I'm trying to do
Date: Tue, 22 Feb 2011 11:12:26 +0100
From: r.m.k...@gmail.com
To: graham.willi...@togaware.com
CC: r-help@r-project.org
Subject: Re: [R] problem installing R in Ubuntu 10.04 -HELP
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 02/22/2011
-
Hash: SHA1
On 02/22/2011 02:33 PM, Mike Marchywka wrote:
Date: Tue, 22 Feb 2011 11:12:26 +0100
From: r.m.k...@gmail.com
To: graham.willi...@togaware.com
CC: r-help@r-project.org
Subject: Re: [R] problem installing R in Ubuntu 10.04
Date: Mon, 21 Feb 2011 13:03:53 +0100
From: erich.neuwi...@univie.ac.at
To: soren.fau...@biology.au.dk; r-help@r-project.org
Subject: Re: [R] Generating uniformly distributed correlated data.
hw-function(r){
(3-sqrt(1+8*r))/4
}
Date: Mon, 21 Feb 2011 10:45:17 +0530
From: reynoldspravin...@gmail.com
To: r-help@r-project.org
Subject: [R] Regarding Soft Independent Modeling Computational Analysis
Hi
I'm a B.E student pursuing my Project in the CEERI unit of the Council
of
Date: Mon, 21 Feb 2011 15:53:26 +0100
From: erich.neuwi...@univie.ac.at
To: marchy...@hotmail.com
CC: soren.fau...@biology.au.dk; r-help@r-project.org
Subject: Re: [R] Generating uniformly distributed correlated data.
We want to generate a
Date: Sun, 20 Feb 2011 15:56:41 +0100
From: lig...@statistik.tu-dortmund.de
To: jwiley.ps...@gmail.com
CC: r-help@r-project.org
Subject: Re: [R] Seeking help in Package development
May I add that the best documentation for building
Date: Fri, 18 Feb 2011 12:25:36 +0100
From: achim.zeil...@uibk.ac.at
To: jrheinlaen...@gmx.de
CC: r-help@r-project.org
Subject: Re: [R] lm without intercept
On Fri, 18 Feb 2011, Jan wrote:
Hi,
I am not a statistics expert, so I have this
Date: Fri, 18 Feb 2011 08:39:05 -0500
From: murdoch.dun...@gmail.com
To: mich...@aers.ca
CC: r-help@r-project.org
Subject: Re: [R] Boundaries of R
On 18/02/2011 5:44 AM, Michael Holt wrote:
Hello Everyone,
I'm pretty new to R and
to get stats to work?
Mike
[[alternative HTML version deleted]]
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting
Date: Tue, 15 Feb 2011 00:53:46 +0100
Subject: Re: [R] Analyzing dissimilarity ratings with Multidimensional
Scaling
From: turchet.l...@gmail.com
To: marchy...@hotmail.com
CC: r-help@r-project.org
Hi Mike and all,
thanks again. Actually your
Dennis and Mike,
thanks for the links, but of course I already knew them.
So far I understood that likely the MDS is not the right analysis,
since my table
does not contain distances. Indeed if you have a look to the diagonal of my
table you can see that the values are not 0 (which should
Date: Tue, 15 Feb 2011 09:43:25 +0100
From: mariedidi...@gmail.com
To: r-help@r-project.org
Subject: [R] Error : singular gradient matrix at initial parameters
estimates
Dear all,
I am a fresh user of R and I already face to problems that
To: r-h...@stat.math.ethz.ch
From: s...@gnu.org
Date: Tue, 15 Feb 2011 17:20:11 -0500
Subject: [R] string parsing
I am trying to get stock metadata from Yahoo finance (or maybe there is
a better source?)
search this for yahoo,
[ stupid hotmail still not mark original, top post. I can't figure out when it
is kind
enough to do this and not, probably thinks I need to use html LOL ]
The point seems to be that you need jni.h which apparently is only in the jdk,
not the jre.
If you install java it isn't clear what this
[ anyone know how to get hotmail to consistently mark original text?
Now its hanging my keyboard in firefox LOL ]
Anyway, I think I was the one advocating these approaches over things like
indefinite length calculations and I punted the R questions to others but
I'm not real sure what you
My first goal in the analysis process is to print a perceptual map where to
place the pairs of
audio-visual stimuli (e.g. WD-WD, MT-DL, etc.) and see how far the trials
are from each other.
I've been using heatmap for stuff like this.
You can get a nice picture this way and get quick
Date: Mon, 14 Feb 2011 00:55:12 -0800
From: jon_d_co...@yahoo.co.uk
To: r-help@r-project.org
Subject: [R] how to order POSIXt objects ?
I have a problem ordering by descending magnitude a POSIXt object. Can
someone help please and let me know
Date: Mon, 14 Feb 2011 17:55:50 +0100
Subject: Re: [R] Analyzing dissimilarity ratings with Multidimensional
Scaling
From: turchet.l...@gmail.com
To: marchy...@hotmail.com
CC: r-help@r-project.org
Dear Mike,
thanks a lot for your answer
From: greg.s...@imail.org
To: ment...@gmx.net; r-help@r-project.org
Date: Sat, 12 Feb 2011 18:04:34 -0700
Subject: Re: [R] Test for equivalence
Does it make sense for you to combine the 2 data sets and do a 2-way anova
with treatment vs. control as one factor and experiment number as the
on examining
the start or end in great detail, so I think the uncorrected version
is fine for my application.
Thanks again!
Mike
On Sun, Feb 13, 2011 at 6:57 PM, William Dunlap wdun...@tibco.com wrote:
I did not try to emulate the ndata nad ndatam1 arguments
to extrema(), as I didn't see what
From: tal.gal...@gmail.com
Date: Fri, 11 Feb 2011 08:26:16 +0200
To: r-help@r-project.org
Subject: [R] When is *interactive* data visualization useful to use?
Hello all,
Before getting to my question, I would like to apologize for asking this
Hi folks,
I'm attempting to use the EMD package to analyze some neuroimaging
data (timeseries with 64 channels sampled across 1 million time points
within each of 20 people). I found that processing a single channel of
data using EMD::emd() took about 8 hours. Exploration using Rprof()
suggested
/should
subscribe to keep up to date on development news. Additionally, I
created a project page on github
(https://github.com/mike-lawrence/ez/issues) where users can submit
bug reports and feature requests. Finally, I encourage users to rate
or review ez (and any other packages you use
I'm not sure I did anything special to install R for use with cygwin.
Availability of RCurl appears to relate to windohs AFAICT from the CRAN page.
I have never bothered to use this since I already use the related linux
tools available through cygwin. Building from source may have become an
I had a longer draft before but I'll just ask if you ever looked at your data?
cr=rainbow(3);
plot(df$success+df$failure,df$prop.success,col=cr[as.numeric(df$group)],cex=as.numeric(df$group))
you'd have to suspect that p is a function of the number of trials per subject
and that differences
[ hotmail not marking orig text, top post for clarity]
This is one of my current jihads, along with removing
adjectives where numbers are available, and I'm curious
if there is a FAQ on this somewhere? Scraping data from
web pages is always a hack, any approach should
include an attempt to fix
Date: Wed, 9 Feb 2011 18:23:21 +0100
From: savi...@praha1.ff.cuni.cz
To: r-help@r-project.org
Subject: Re: [R] precision of gamma function
On Wed, Feb 09, 2011 at 05:23:27PM +0200, Chuse chuse wrote:
Dear R users,
I have to calculate gamma
Date: Wed, 9 Feb 2011 12:18:57 -0500
From: yanliu...@gmail.com
To: r-help@r-project.org
Subject: [R] heatmap-how to change the order of the rows (genes)
Hi,
I have a question about the heatmap dendrogram in R. I loaded my data
matrix in command
.
Thanks Regards,
Mike
Telescopes and bathyscaphes and sonar probes of Scottish lakes,
Tacoma Narrows bridge collapse explained with abstract phase-space maps,
Some x-ray slides, a music score, Minard's Napoleanic war
, unless I touch the
dreaded for loop. Or unless there is a secret I do not know...
Thanks!
Mike
Telescopes and bathyscaphes and sonar probes of Scottish lakes,
Tacoma
Date: Tue, 8 Feb 2011 17:34:15 +
From: marie.guil...@bordeaux.inra.fr
To: r-help@r-project.org
Subject: [R] Recuperate Spectrum() amplitude
Dear list,
I put the code I use here to understand if the difference comes from the
way
Date: Mon, 7 Feb 2011 10:49:54 +0100
From: eva.a...@gmail.com
To: r-help@r-project.org
Subject: [R] waveThresh plot axis
Dear,
I am using WaveTresh for Haar Wavelets. It works all fine exept when I
want to adjust the axis on the wavelet
From: had...@rice.edu
Date: Mon, 7 Feb 2011 11:00:59 -0600
To: mdo...@mdowle.plus.com
CC: r-h...@stat.math.ethz.ch
Subject: Re: [R] aggregate function - na.action
Does FAQ 1.8 answer that ok ?
Ok, I'm starting to see what data.table is
Hey guys,
I can't get my Naive Bayes model to predict. Forgive me if its simple...
I've tried about everything and can't get it to work. Reproduceable code
below.
Thank you,
Mike
--
Michael Schumacher
Manager Data Analytics - ValueClick
mike.schumac...@gmail.com
*
Functional Example Code
From: greg.s...@imail.org
To: ghe...@blm.gov; r-help@r-project.org
Date: Fri, 4 Feb 2011 17:49:51 -0700
Subject: Re: [R] Quadratic regression: estimating the maximizing value
No, your approach is not correct. For one you have not taken the
From: dwinsem...@comcast.net
To: asanram...@yahoo.com
Date: Sat, 5 Feb 2011 10:24:04 -0500
CC: r-help@r-project.org
Subject: Re: [R] spline interpolation
On Feb 5, 2011, at 9:29 AM, Asan Ramzan wrote:
Hello R-help
I have the following data for a standard curve
Date: Sat, 5 Feb 2011 18:08:43 +0100
From: cbelei...@units.it
To: r-help@r-project.org
Subject: Re: [R] spline interpolation
Hi,
Just pure curiosity:
may I ask why you want to do spline interplation on fluorescence intensity as
function
-world applications.
Best,
Mike
On Fri, 4 Feb 2011, Spencer Graves wrote:
1. Martin Maechler's comments should be taken as replacements for
anything I wrote where appropriate. Any apparent conflict is a result of his
superior knowledge.
2. 'eigen' returns the eigenvalue
and explanations there along with a
lot of information about how non-positive definite matrices may arise in
real-world applications.
Best,
Mike
On Fri, 4 Feb 2011, Spencer Graves wrote:
1. Martin Maechler's comments should be taken as replacements for
anything I wrote where
. :-)
Thank you in advance,
Mike
## INPUT DATA
USER_ID-c(1,1,1,2,2,2,3,3,4)
SITE
-c(SITE1,SITE2,SITE3,SITE1,SITE2,SITE3,SITE1,SITE2,SITE3)
COUNTS -c(10,13,22,10,12,12,13,44,99)
RAW-data.frame(USER_ID,SITE,COUNTS)
RAW
#ANSWER SHOULD LOOK LIKE
a-c(1,2,3,4)
b-c(10,10,13,0)
c-c(13,12,44,0)
d-c(22,12,0,99
My question, buried in this rant, is is there a mail list
or other means for identifying sites with information likely
to be important to many R users but the data is difficult to obtain
due to the site's choice of technology?
Quite often, people here ask questions about scraping html
to get
Date: Tue, 1 Feb 2011 15:41:01 +
From: alex.sm...@gmail.com
To: spencer.gra...@structuremonitoring.com
CC: r-help@r-project.org; maech...@stat.math.ethz.ch
Subject: Re: [R] Positive Definite Matrix
Hello thank you for so much input. I am afraid that I am fairly new to this
and some of
Date: Tue, 1 Feb 2011 12:10:31 -0800
From: nord...@dshs.wa.gov
To: r-help@r-project.org
Subject: Re: [R] p value for joint probability
-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-bounces@r-
project.org] On Behalf Of moleps
Sent: Tuesday,
. If the correlation matrix is positive definite, then the
covariance matrix will be.
Maybe I'll be lucky, but I need a positive-definite matrix, and this
method is not guaranteed to produce one. Any ideas?
Mike
__
R-help@r-project.org mailing
are non-negative definite: They may be
singular (having at least one zero eigenvalue), but they cannot have a
negative eigenvalue.
Mike
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide
are non-negative definite: They may be
singular (having at least one zero eigenvalue), but they cannot have a
negative eigenvalue.
Mike
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide
From: ggrothendi...@gmail.com
Date: Mon, 24 Jan 2011 22:43:55 -0500
To: megh700...@gmail.com
CC: r-help@r-project.org
Subject: Re: [R] Downloading data from internet
On Mon, Jan 24, 2011 at 8:48 PM, Megh Dal wrote:
Dear all, I need to download an excel file from net, on which I
, so that the first group
is most likely to be buried under later groups. I try to sort factor
levels so that the biggest groups go first, and that helps a little, but
it isn't the complete solution I'm looking for.
Thanks in advance.
Mike
--
Michael B. Miller, Ph.D.
Minnesota Center for Twin
On Mon, 24 Jan 2011, David Winsemius wrote:
On Jan 24, 2011, at 6:49 PM, Mike Miller wrote:
I make plenty of scatterplots, especially using scatterplot.matrix from
library(car). One thing I don't know how to do is determine which
points are plotted last. Sometimes I plot a large number
, then the entire second
group, and so on. It might be possible for me to alter this code to make
something that will work for me.
Thanks to all for the help with this. (It's surprising how helpful a
single word preceded by a question mark can be.)
Mike
__
R
Date: Sat, 22 Jan 2011 19:49:43 -0800
From: santosh.srini...@gmail.com
To: r-help@r-project.org
Subject: Re: [R] which operating system + computer specifications lead to the
best performance for R?
Hi Josh,
I was referring to the below point that I read a while back when I
installed my
Date: Wed, 19 Jan 2011 01:20:06 -0800
From: djmu...@gmail.com
To: laomen...@gmail.com
CC: r-help@r-project.org
Subject: Re: [R] question about result of loglinear analysis
Hi:
Well, you fit a saturated model. How many degrees of freedom do you have
left for error? The fact that the
)]
Thanks in advance, Mike
[[alternative HTML version deleted]]
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide
From: simonjk...@yahoo.ca
Date: Tue, 18 Jan 2011 02:16:37 -0500
To: r-help@r-project.org
Subject: [R] Counting dates in arbitrary ranges
Dear Colleagues,
I have a data set that looks as below. I'd like to count the number of dates
in a series
301 - 400 of 834 matches
Mail list logo
