On Wed, Jun 18, 2014 at 2:26 PM, Judson wrote:
> Dear Dr. Bates,
> I'm just learning R and I want to use it for
> statistical problems and also some problems
> that are just mathematical. Apparently I'm
> not using the packages right and none of the
> books I've found cover what should be
Your question is better addressed to the R-help@R-project.org mailing list,
which I am copying on this reply.
You are confusing a statistical concept, the Fisher Information matrix,
with a numerical concept, the Hessian matrix of a scalar function of a
vector argument.
The Fisher information matr
On Fri, Aug 17, 2012 at 6:46 AM, Travis Perry wrote:
> Dr. Bates,
> Our department is considering replacing existing statistical
> software packages in our curriculum with R, at my request. To better inform
> this decision we are interested to know the prevalence of R in the published
>
On Sat, Jul 28, 2012 at 7:26 AM, Søren Højsgaard wrote:
> I want to create a sparse matrix of type "dgCMatrix" using the Matrix package
> (and the matrix must be of this type even if other more compact
> representations may exist). I do
>
>> library(Matrix)
>> m1<-Matrix(rep(1,4),nrow=2,ncol=2,s
On Thu, Feb 9, 2012 at 2:51 PM, barny wrote:
> I've been trying to get some data from the National Survey for Family Growth
> into R - however, the data is in a .dat file and the data I need doesn't
> have any spaces or commas separating fields - rather you have to look into
> the codebook and wha
2011/12/28 Uwe Ligges :
>
>
> On 26.12.2011 15:30, narendarreddy kalam wrote:
>>
>> Error in `[.data.frame`(x, order(x, na.last = na.last, decreasing =
>> decreasing)) : undefined columns selected during the execution of
>> following r sequence of commands
>> X<-subset(data,select=c(V1,V2,V3,V4,
On Tue, Dec 20, 2011 at 8:20 AM, Jean V Adams wrote:
Hi Jean,
> khai wrote on 12/19/2011 11:26:55 PM:
>
>> Hi,
>>
>> I'm very new to working with sparse matrices and would like to know how
> I
>> can column permute a sparse matrix. Here is a small example:
>>
>> > M1 <-
>> > spMatrix(nrow=5,ncol
On Dec 7, 2011 4:44 PM, "Erin Ryan" wrote:
>
> I am trying to specify a mixed model for my research, but I can't quite
get
> it to work. I've spent several weeks looking thru various online sources
to
> no avail. I can't find an example of someone trying to do precisely what
I'm
> trying to do. I'
On Tue, Sep 13, 2011 at 4:11 PM, Steve Lianoglou
wrote:
> Hi,
>
> On Tue, Sep 13, 2011 at 1:54 PM, Joseph Park wrote:
>>
>> Hi, I'm looking for some guidance on whether to use
>> S4 or Reference Classes for an analysis application
>> I'm developing.
>> I'm a C++/Python developer, and like
On Tue, Sep 13, 2011 at 12:54 PM, Joseph Park wrote:
> Hi, I'm looking for some guidance on whether to use
> S4 or Reference Classes for an analysis application
> I'm developing.
> I'm a C++/Python developer, and like to 'think' in OOD.
> I started my app with S4, thinking that was the
On Fri, Jun 3, 2011 at 7:03 PM, Matias Salibian-Barrera
wrote:
> Hello,
>
> This simple SVD calculation (commands are copied immediately below) crashes
> on my Ubuntu machine (R 2.13.0). However it works fine on my Windows 7
> machine, so I suspect there's a problem with (my?) Ubuntu and / or R.
On Thu, Apr 21, 2011 at 5:34 PM, peter dalgaard wrote:
>
> On Apr 21, 2011, at 16:00 , Bert Gunter wrote:
>
>> Folks:
>>
>> It is perhaps worth noting that this is probably a Type III error: right
>> answer to the wrong question. The right question would be: what data
>> structures and analysis s
On Wed, Apr 20, 2011 at 8:37 AM, Tobias Abenius
wrote:
> Since I installed R 2.13 I cannot use the transpose method "t" on sparse
> matrices inside my package. Outside the package works. Is there something
> new that I have to import methods? Can I then import everything from the
> Matrix package
On Fri, Apr 15, 2011 at 8:45 AM, Ben Bolker wrote:
> Kevin Wright gmail.com> writes:
>
>>
>> > I am trying to teach myself R and replicate some previous SAS analysis.
>> > Could someone please help me translate the following SAS code into R.
>> >
>> > Proc mixed method=ml
>> > Class Group Treatme
On Thu, Apr 14, 2011 at 11:47 PM, Christian Gunning wrote:
> On Thu, Apr 14, 2011 at 7:02 PM,
> wrote:
>
>> I was able to write a very short C++ function using the Rcpp package
>> that provided about a 1000-fold increase in speed relative to the best
>> I could do in R. I don't have the script o
mber that there is a findInterval function.
> From: r-help-boun...@r-project.org [r-help-boun...@r-project.org] On Behalf
> Of Douglas Bates [ba...@stat.wisc.edu]
> Sent: Thursday, April 14, 2011 6:22 PM
> To: William Dunlap
> Cc: r-help@r-project.org; Sunduz Keles; rcpp-devel; Kevin
My colleague Sunduz Keles once mentioned a similar problem to me. She
had a large sample from a reference distribution and a test sample
(both real-valued in her case) and she wanted, for each element of the
test sample, the proportion of the reference sample that was less than
the element. It's
The first thing to do is try another mirror. The "official" (or as
official as we ever get about anything) U.S. mirror is
http://cran.us.R-project.org
They tend to be very good about updating. Presently the source
package for plyr is at version 1.5 and the binary versions are both at
1.4.1
On
On Wed, Apr 6, 2011 at 3:44 PM, Christopher Desjardins
wrote:
> Hi,
> I have longitudinal school suspension data on students. I would like to
> figure out how many students (id_r) have no suspensions (sus), i.e. have a
> code of '0'. My data is in long format and the first 20 records look like
> t
On Sun, Apr 3, 2011 at 11:42 AM, David Winsemius wrote:
>
> On Apr 3, 2011, at 12:14 PM, Samuel Le wrote:
>
>> Dear all,
>>
>>
>>
>> I would like to log the calls to my functions. I am trying to do this
>> using the function match.call():
>
> fTest<-function(x)
>
> { theCall<-match.call()
>
On Thu, Mar 31, 2011 at 4:02 AM, Daniel Kaschek
wrote:
> Hello,
> I use nls.profile to compute confidence intervals of parameter estimates
> of a non-linear model. When computing the profiles, the model function
> produces an error for certain parameter combinations. Therefore nls
> fails and so
On Mon, Mar 21, 2011 at 2:03 PM, Justin Haynes wrote:
> Is there a way to do this in R? I have data in the form:
>
> 57_input 57_output 58_input 58_output etc.
>
> can i use a for loop (i in 57:n) that plots only the outputs? I want
> this to be robust so im not specifying a column id but ra
On Mon, Feb 21, 2011 at 10:06 PM, dadrivr wrote:
>
> Thanks Dennis,
>
> The code works for perfectly for the data in the example. For some reason,
> however, I get the following error message when I use a different data set:
>
>> preds <- expand.grid(age = c(30,36,42), Subject = unique(mydata$id)
On Sat, Feb 19, 2011 at 12:56 AM, Rohit Pandey wrote:
> Hi Christopher/ Dirk,
> Thank you very much for your replys. I think the idea of using inline as you
> suggest is the best way to start off with using c++ with R. I went through
> your examples and also plenty I found on the net. I have been
On Thu, Feb 17, 2011 at 10:02 AM, Alex F. Bokov
wrote:
> Motivation: during each iteration, my code needs to collect tabular data (and
> use it only during that iteration), but the rows of data may vary. I thought
> I would speed it up by preinitializing the matrix that collects the data with
>
On Sun, Feb 6, 2011 at 10:56 AM, David Winsemius wrote:
>
> On Feb 6, 2011, at 10:28 AM, Rohit Pandey wrote:
>
>> Hi,
>>
>> I have been using R for close to two years now and have grown quite
>> comfortable with the language. I am presently trying to implement an
>> optimization routine in R (Newt
On Fri, Feb 4, 2011 at 8:44 PM, Laura Smith wrote:
> Hi!
> Does anyone have a numeric example for calculating BLUE and BLUP, please?
You will need to be more specific. BLUE is an acronym for "Best
Linear Unbiased Estimator" and BLUP for "Best Linear Unbiased
Predictor". So the phrase "calculati
On Tue, Feb 1, 2011 at 10:51 AM, Luana Marotta wrote:
> Dear R-users,
> I'm running a lmer model using the lme4 package. My dependent variable is
> dichotomous and I'm using the "binomial" family. The results
> are slightly different from the HLM results based on a Bernoulli
> distribution. I rea
?system.time
On Thu, Jan 27, 2011 at 10:31 AM, Alaios wrote:
> Dear list members,
> I would like to measure how much time one function call makes from the time
> is call until the time it returns.
>
> Could you please tell me if that is possible in R?
>
>
> Best Regards
> Alex
>
> __
On Tue, Jan 25, 2011 at 1:14 PM, Akram Khaleghei Ghosheh balagh
wrote:
> Hello ;
>
> Do you know what is the default value of starting value in glm ? glm(...,
> start=c(),... )
> I know that it is NULL by default but it need a value to start iteration .
> what is this value?
Actually the typical
On Fri, Jan 21, 2011 at 3:51 AM, kamel gaanoun wrote:
> Hi Everybody,
>
> My problem is that nlminb doesn't converge, in minimising a logLikelihood
> function, with 31*6 parameters(2 weibull parameters+29 regressors repeated 6
> times).
Hmm, the length of the parameter vector shown below is 189,
On Wed, Jan 5, 2011 at 1:22 PM, David Winsemius wrote:
>
> On Jan 5, 2011, at 10:03 AM, Young Cho wrote:
>
>> Hi,
>>
>> I am doing some simulations and found a bottle neck in my R script. I made
>> an example:
>>
>>> a = matrix(rnorm(500),100,5)
>>> tt = Sys.time(); sum(a[,1]*a[,2]*a[,3]*
On Mon, Jan 3, 2011 at 12:15 PM, Ethan Arenson
wrote:
> Hi.
>
> I know that R computes sums of squares based on the diagonal of
>
> t(Q) %*% y %*% t(y) %*% Q,
>
> where Q comes from the QR-decomposition of the model matrix.
So, how do you know that? When I look at the code for summary.lm I
see t
On Mon, Dec 13, 2010 at 8:20 AM, Ethan Arenson
wrote:
> Consider the following missing data problem:
>
> y = c(1, 2, 2, 2, 3)
> a = factor(c(1, 1, 1, 2, 2))
> b = factor(c(1, 2, 3, 1, 2))
> fit = lm(y ~ a + b)
> anova(fit)
>
> Analysis of Variance Table
>
> Response: y
> Df Sum Sq Mean
On Thu, Dec 9, 2010 at 5:37 AM, 朱曼 wrote:
> Hi,all!
> I encountered a problem "not-yet-implemented method for %*%
> " when I tried "diagr %*% design_mat", where
> "diagr<-diag(vr,100)", vr is a vector with 100 elements, and design_mat is a
> sparse matrix with dimension 100*677000 constructed by
On Mon, Dec 6, 2010 at 1:11 PM, scott white wrote:
> Btw, forgot to mention I am using the standard Matrix package and I am
> running version 2.10.1 of R.
>
> On Mon, Dec 6, 2010 at 11:04 AM, scott white
> wrote:
>
>> I have a very sparse square matrix which is < 20K rows & columns and I am
>> tr
On Wed, Dec 1, 2010 at 9:02 AM, Ben Bolker wrote:
>
>
> Peter Ehlers ucalgary.ca> writes:
>
>>
>> It might be a good idea not to use an outdated version of R.
>> I don't see your "problem" in R 2.12.0.
>>
>> Peter Ehlers
>>
>> On 2010-12-01 05:44, Jean.Coursol math.u-psud.fr wrote:
>> > Just for
I am cc:ing the r-sig-mixed-mod...@r-project.org mailing list on this
reply as such questions are often answered more quickly on that list.
On Tue, Nov 16, 2010 at 2:00 PM, Daniel Jeske wrote:
> Dear R Help,
> I believe the glmer() function in lme4 automatically fits an
> unstrucruted covariance
It is often more effective to send questions about lmer or glmer to
the r-sig-mixed-mod...@r-project.org mailing list, which I am cc:ing
on this response.
On Tue, Nov 16, 2010 at 3:25 AM, Annika wrote:
>
> Dear list,
>
> I am new to this list and I am new to the world of R. Additionally I am not
On Tue, Nov 16, 2010 at 11:09 AM, skan wrote:
> What's the differente betwen using "plot" and using "print" in order to
> plot a graph?
> For example in order to plot the result of a histogram.
Could you give an example?
It seems that you are referring to graphics functions in packages such
as
On Tue, Nov 16, 2010 at 10:30 AM, poko2000 wrote:
> Hi I am a newbie in R.
> I have data with dim of 20.
> How to use lm if i want to do regression with the whole design matrix? My y
> is the first column.
> the left are xs.
> Thanks a lot.
Do you have the data stored in a matrix or in a data fr
I don't know about the statmod package and the gauss.quad function but
generally the definition of Gauss-Hermite quadrature is with respect
to the function that is multiplied by exp(-x^2) in the integrand. So
your example would reduce to summing the weights.
On Sun, Nov 14, 2010 at 11:18 AM, Dora
On Mon, Nov 1, 2010 at 11:04 PM, Santosh Srinivas
wrote:
> Hello Group,
>
> This is an open-ended question.
>
> Quite fascinated by the things I can do and the control I have on my
> activities since I started using R.
> I basically have been using this for analytical related work off my desktop.
On Sun, Oct 31, 2010 at 2:35 AM, Carabiniero wrote:
>
> I haven't been able to fully make sense of the conflicting online information
> about whether and how to specify nesting structure for a nested, mixed
> model. I'll describe my experiment and hopefully somebody who knows lme4
> well can help
On Tue, Oct 26, 2010 at 12:27 PM, Dimitri Liakhovitski
wrote:
> Hello,
> and sorry for asking a question without the data - hope it can still
> be answered:
> I've run two things on the same data:
> # Using lme:
> mix.lme <- lme(DV ~a+b+c+d+e+f+h+i, random = random = ~ e+f+h+i|
> group, data = m
On Thu, Oct 21, 2010 at 2:00 PM, Ben Bolker wrote:
> Michal Figurski mail.med.upenn.edu> writes:
>
>> I have a data set of roughly 10 million records, 7 columns. It has only
>> about 500MB as a csv, so it fits in the memory. It's painfully slow to
>> do anything with it, but it's possible. I also
On Fri, Oct 22, 2010 at 9:13 AM, Czerminski, Ryszard
wrote:
> I want to fit a linear model with fixed slope e.g. y = x + b
> (instead of general: y = a*x + b)
> Is it possible to do with lm()?
Yes. The simplest way is to fit
lm(y - a*x ~ 1)
which will give you the estimate of b, its standard
Although I know there is another message in this thread I am replying
to this message to be able to include the whole discussion to this
point.
Gregor mentioned the possibility of extending the compiled code for
cumsum so that it would handle the matrix case. The work by Dirk
Eddelbuettel and Rom
On Mon, Sep 27, 2010 at 3:04 AM, Petr PIKAL wrote:
> Hi
> I noticed that nobody answered your question yet so here is my try.
>
> If you want to see what objects are in your environment you can use ls()
> but its output is only names of objects. Here is a function I use a long
> time for checking
On Tue, Sep 21, 2010 at 4:21 PM, Peter Dalgaard wrote:
> On 09/21/2010 09:02 PM, Douglas Bates wrote:
>> On Tue, Sep 21, 2010 at 1:39 PM, Douglas Bates wrote:
>>> I haven't had the time to keep up with this discussion, or many of the
>>> other discussions on the R
On Tue, Sep 21, 2010 at 1:39 PM, Douglas Bates wrote:
> I haven't had the time to keep up with this discussion, or many of the
> other discussions on the R-SIG-Mixed-Models email list. I swamped
> with other duties at present.
>
> It is important to remember that the nlme an
I haven't had the time to keep up with this discussion, or many of the
other discussions on the R-SIG-Mixed-Models email list. I swamped
with other duties at present.
It is important to remember that the nlme and lme4 packages take a
model specification and provide code to evaluate the deviance.
On Wed, Sep 15, 2010 at 3:48 PM, Matias Salibian-Barrera
wrote:
> Hi there,
>
> I'm trying to install the package RcppArmadillo in my R 2.11.1 which I
> installed
> and regularly update via Ubuntu's repositories.
>
>
> When I try to install RcppArmadillo from CRAN I get:
>
>> install.packages('Rc
On Thu, Aug 5, 2010 at 9:31 AM, rod84 wrote:
> Dear R users,
> I recently downloaded the library lme4a by
> svn checkout svn://svn.r-forge.r-project.org/svnroot/lme4.
> I tried to install the library lme4a by copying the downloaded document in
> the location where all the R libraries are saved.
On Wed, Aug 4, 2010 at 2:09 PM, Erik Iverson wrote:
> Hello,
>
>
>> I have a problem which has bitten me occasionally. I often need to
>> prepare graphs for many variables in a data set, but seldom for all.
>> or for any large number of sequential or sequentially named variables.
>> Often I need s
On Wed, Jul 14, 2010 at 4:23 PM, paul s wrote:
> hi -
> i just started using R as i am trying to figure out how perform a linear
> regression on a huge matrix.
> i am sure this topic has passed through the email list before but could not
> find anything in the archives.
> i have a matrix that i
On OS X you need to install the source package for lme4 as the binary
package fails one of the tests. We have been unable to reproduce this
failure under other operating systems, which makes it hard to debug.
On Tue, Jul 6, 2010 at 11:09 AM, Alex Foley wrote:
> Hi,
>
> I was trying to install l
On Mon, Jun 28, 2010 at 12:28 PM, Doran, Harold wrote:
> Two things I think are some of the best developments in statistics and
> production are the lattice package and the beamer class for presentation in
> Latex. One thing I have not become very good at is properly sizing my visuals
> to look
On Mon, Jun 21, 2010 at 8:38 PM, David Winsemius wrote:
>
> On Jun 21, 2010, at 9:18 PM, Duncan Murdoch wrote:
>
>> On 21/06/2010 9:06 PM, G FANG wrote:
>>>
>>> Hi,
>>>
>>> I want to get the unique set from a large numeric k by 1 vector, k is
>>> in tens of millions
>>>
>>> when I used the matlab
On Thu, Jun 17, 2010 at 10:50 AM, Barry Rowlingson
wrote:
> On Thu, Jun 17, 2010 at 3:33 PM, Doran, Harold wrote:
>> I have a function that is an iterative process for estimating some MLEs. I
>> want to print some progress to screen as the process iterates. I would like
>> to try and line thing
On Sat, Jun 12, 2010 at 8:37 AM, Dr. David Kirkby
wrote:
> R 2.10.1 is used in the Sage maths project. Several recommended packages
> (Matrix, class, mgcv, nnet, rpart, spatial, and survival) are failing to
> build on Solaris 10 (SPARC).
Have you checked the dependencies for those packages? Some
On Sat, Jun 12, 2010 at 6:18 AM, Tal Galili wrote:
> Hello Gabor, Matt, Dirk.
>
> Thank you all for clarifying the situation.
>
> So if I understand correctly then:
> 1) Changing the BLAST would require specific BLAST per computer
> configuration (OS/chipset).
It's BLAS (Basic Linear Algebra Subr
The lm and aov functions can take a matrix response allowing you to
fit all of the responses for a single attribute simultaneously.
On Thu, Jun 10, 2010 at 8:47 AM, melissa wrote:
> Dear all R users,
> I want to realize 800 000 ANOVAS and to store Sum of Squares of the effects.
> Here is an ext
On Tue, Jun 8, 2010 at 7:10 AM, Enrico Colosimo wrote:
> Hello,
> I am having some trouble running a very simple
> example. I am running a logistic regression entering the SAME data set
> in two different forms and getting different values for the deviance residual.
>
> Just look with this naive
On Mon, May 24, 2010 at 6:24 PM, Robin Jeffries wrote:
> I read somewhere (help list, documentation) that the random effects in lme4
> uses sparse matrix "technology".
Yes. That is why there is such a close link between the Matrix and
lme4 packages. The sparse matrix methods in the Matrix packa
As Frank mentioned in his reply, expecting to estimate tens of
thousands of fixed-effects parameters in a logistic regression is
optimistic. You could start with a generalized linear mixed model
instead
library(lme4)
fm1 <- glmer(resp ~ 1 + (1|f1) + (1|f2) + (1|f1:f2), mydata, binomial))
If you
On Sun, May 23, 2010 at 5:09 AM, Peter Ehlers wrote:
> On 2010-05-23 0:56, john smith wrote:
>>
>> Hi,
>> I am trying to implement Higham's algorithm for correcting a non positive
>> definite covariance matrix.
>> I found this code in R:
>>
>> http://projects.cs.kent.ac.uk/projects/cxxr/trac/brows
Google the name dgesdd to get the documentation where you will find
that the error code indicates that the SVD algorithm failed to
converge. Evaluation of the singular values and vectors is done via
an iterative optimization and on some occasions will fail to converge.
Frequently this is related
image applied to a sparseMatrix object uses lattice functions to
create the image. As described in R FAQ 7.22 you must use
print(image(x))
or
show(image(x))
or even
plot(image(x))
when a lattice function is called from within another function.
On Wed, Apr 28, 2010 at 1:20 PM, Gildas Mazo wr
You probably want to use substitute() to construct your formula and be
careful of the distinction between character strings and names
> substitute(foo ~ bar, list(foo = as.name("y"), bar = as.name("x")))
y ~ x
On Fri, Apr 9, 2010 at 2:06 PM, Nic Rivers wrote:
> Dear R-users:
>
> I would like to
On Thu, Apr 8, 2010 at 11:32 AM, satu wrote:
> I want to run some R script using the inline package (which allows to create
> and run inline C++ code in my humble understanding).
> So, after loading the required packages and copy and paste the example that
> runs C code (in the Reference Manual a
On Mon, Apr 5, 2010 at 3:13 PM, Roger DeAngelis(xlr82sas)
wrote:
>
> Hi,
>
> This is not meant to be critical of R, but is intended as
> a possible source for improvements to R.
> SAS needs the competition.
>
>
> I am reasonably knowledgeable about
>
> R
> SAS-(all products including IML)
>
> SAS
On Sat, Mar 27, 2010 at 4:19 AM, n.via...@libero.it wrote:
> Hi I have a question,
> as im not able to import a csv file which contains a big dataset(100.000
> records) someone knows how many records R can handle without giving problems?
> What im facing when i try to import the file is that R ge
Thanks very much, Marc.
So did you really read 110 pages of the User Guide to find this out or
did you do something more clever?
On Thu, Mar 25, 2010 at 4:38 PM, Marc Schwartz wrote:
> On Mar 25, 2010, at 3:54 PM, Douglas Bates wrote:
>
>> The TIMSS2007 database http://timss.bc.e
The TIMSS2007 database http://timss.bc.edu/TIMSS2007/idb_ug.html seems
to provide "both kinds" of universal data formats - either SPSS saved
data sets or SAS saved data sets. (Yes, I am being sarcastic.)
These, of course, are accompanied by massive codebooks explaining the
nature of each of the fi
It is not easy to decide what "predict" should return for a linear
mixed model, let alone the more complicated cases. Do you want
predictions based on the fixed-effects only or based on a combination
of the fixed-effects and the random-effects? For the lme function in
the nlme package we allowed
On Thu, Mar 18, 2010 at 6:26 AM, Dieter Menne
wrote:
> I am trying to use nlme and coxme in one Sweave document. I have read the
> thread in r-devel on the subject,
>
> http://markmail.org/thread/snchg6ynofrzbf2v
>
> and nlme::fixef works, but I did not understand what workaround to use when
> I a
On Wed, Mar 17, 2010 at 10:25 AM, Erik Iverson wrote:
>
>
> Paul Miller wrote:
>>
>> Hello Everyone,
>>
>> I have just started learning R and am in the process of figuring out
>> what it can and can't do. I must say I am very impressed with R so
>> far and am amazed that something this good can ac
On Fri, Mar 5, 2010 at 12:16 PM, Gabor Grothendieck
wrote:
> On Fri, Mar 5, 2010 at 12:58 PM, Matthew Dowle wrote:
>> As far as I know you are wrong that there is no moderator. There are in
>> fact an uncountable number of people who are empowered to moderate i.e. all
>> of us. In other words it
On Wed, Feb 24, 2010 at 3:56 PM, Duncan Murdoch wrote:
> On 24/02/2010 4:31 PM, Georg Ehret wrote:
>>
>> Dear R communtiy,
>> I do not understand why this does not work...:
>>
>> > betaS$SBP
>> [1] 0.03274 -0.04216 -0.08986 -0.45980 0.60320 -0.63070 -0.05682
>> 0.20130
>> > t<-c("betaS$SBP")
On Tue, Feb 23, 2010 at 2:17 AM, Dieter Menne
wrote:
> Marianne Promberger-3 wrote:
>>
>> Yes, I believe you need library(lme4a), the development version of lme4.
>>
>>
>> (But then something didn't work with profile() on my particular model
>> but I forgot what it was -- haven't had time to
On Sat, Feb 20, 2010 at 10:27 AM, Dieter Menne
wrote:
>
>
> Douglas Bates-2 wrote:
>>
>> On Sat, Feb 20, 2010 at 4:28 AM, Dieter Menne
>> For most other model fitting functions the sequence
>>
>> coef(summary(mymodel))
>>
>> works. Unfortunate
On Sat, Feb 20, 2010 at 4:28 AM, Dieter Menne
wrote:
>
>
> Daniel-6 wrote:
>>
>> Hello, I'm trying to add lme results in a table with lm coef results, but
>> as
>> I know, estout or xtabel cannot support lme objects.
>> I'm a new in R and I'll appreciate some helpful comments.
>>
>
> I don't know
On Thu, Feb 18, 2010 at 12:36 PM, Bert Gunter wrote:
> The key dates are 1938 and 1962. The FDC act of 1938 essentially mandated
> (demonstration of) safety. The tox testing infrastructure grew from that.At
> that time, there were no computers, little data, little statistics
> methodology. Statist
---
> Likelihood-ratio test of rho=0: chibar2(01) = 109.20 Prob >= chibar2 = 0.000
>
> The difference is quite huge, and Stata did not have any difficulties
> estimating this model, which makes feel that I might get some very
> basic specification wr
0.22 in the call to lmer.
> Does this information helps identifying the problem with my data/analysis?
>
> Thank you,
>
> Luisa
>
>
>
>
> On Tue, Feb 16, 2010 at 5:35 PM, Douglas Bates wrote:
>> This is similar to another question on the list today.
>>
>> On
This is similar to another question on the list today.
On Tue, Feb 16, 2010 at 4:39 AM, Luisa Carvalheiro
wrote:
> Dear R users,
>
> I am having problems using package lme4.
>
> I am trying to analyse the effect of a continuous variable (Dist_NV)
> on a count data response variable (SR_SUN) usin
On Tue, Feb 16, 2010 at 9:05 AM, Shige Song wrote:
> Dear All,
> I am trying to fit a 2-level random intercept logistic regression on a
> data set of 20,000 cases. The model is specified as the following:
> m1 <- glmer(inftmort ~ as.factor(cohort) + (1|code), family=binomial, data=d)
> I got
On Sat, Feb 13, 2010 at 7:09 PM, Daniel Malter wrote:
> It seems to me that your question is more about the econometrics than about
> R. Any introductory econometric textbook or compendium on econometrics will
> cover this as it is a basic. See, for example, Greene 2006 or Wooldridge
> 2002.
>
> S
On Fri, Feb 12, 2010 at 4:25 PM, blue sky wrote:
> ?'`' shows the following:
>
> "Single and double quotes delimit character constants. They can be
> used interchangeably but double quotes are *preferred* (and character
> constants are printed using double quotes), so single quotes are
> normally
On Fri, Feb 12, 2010 at 9:22 AM, Arnaud Mosnier wrote:
> Dear useRs,
>
> Just a little post to provide the answer of a problem that took me
> some time to resolve !
> Hope that reading this will permit the others to avoid that error.
>
> When using the subset function, writing
>
> subset (data, da
On Tue, Feb 9, 2010 at 4:38 AM, Demirtas, Hakan wrote:
> Does lmer do three-level mixed-effects models?
Yes.
> What forms of outcome
> variables can it handle (continuous, survival, binary)? I'd appreciate any
> help.
Continuous outcomes for lmer. glmer can handle binary outcomes.
__
On Sun, Feb 7, 2010 at 2:40 PM, Emmanuel Charpentier
wrote:
> Note : this post has been motivated more by the "hierarchical data"
> subject than the aside joke of Douglas Bates, but might be of interest
> to its respondents.
>
> Le vendredi 05 février 2010 à 21:56 +010
On Sat, Feb 6, 2010 at 2:46 PM, David Winsemius wrote:
>
> On Feb 6, 2010, at 3:29 PM, Ravi Ramaswamy wrote:
>
>> Hi - I am not familiar with R. Could I ask you a quick question?
>>
>> When I read a file like this, I get an error. Not sure what I am doing
>> wrong. I use a MAC. How do I specif
On Sat, Feb 6, 2010 at 4:45 AM, Martin Bulla wrote:
> Does anybody knows what this error message means: Error in object$terms : $
> operator not defined for this S4 class
The error message means what it says and it doesn't come from lmer, it
comes from the drop1 function being applied to a model
On Sun, Jan 31, 2010 at 10:24 PM, Anton du Toit wrote:
> Dear R-helpers,
>
> I’m writing for advice on whether I should use R or a different package or
> language. I’ve looked through the R-help archives, some manuals, and some
> other sites as well, and I haven’t done too well finding relevant in
On Tue, Jan 19, 2010 at 9:26 AM, Martin Maechler
wrote:
> Scanning for 'Matrix' in old R-help e-mail, I found
>
>> "GA" == Gad Abraham
>> on Fri, 27 Nov 2009 13:45:00 +1100 writes:
>
> GA> Hi,
> GA> I'd like to store large covariance matrices using Matrix classes.
>
> GA> dsy
On Sat, Jan 16, 2010 at 8:20 AM, Walmes Zeviani
wrote:
>
> Doug,
>
> It appears you are mixing nlme and lme4 formulation type.
> On nlme library you type
>
> lme(y~x, random=~1|subjetc)
>
> On lme4 library you type
>
> lmer(y~x+(1|subject))
>
> You mixed them.
>
> At your disposal.
Which is what
On Fri, Jan 15, 2010 at 10:00 AM, Ben Bolker wrote:
> John Kane yahoo.ca> writes:
>
>>
>> I've only been using R for about 2.5 years but and I'm not all that good but
> I vote for <- .
>>
>> I think the deciding factor is in RSiteSearch() and the various manuals.
>>
>> Almost everything I see u
As Dieter points out, this is likely a mismatch between the versions
of the lme4 and the Matrix packages, which are very closely linked
together. It appears that the version of the lme4 package is too old
for the version of the Matrix package, which is hard to catch in the
dependencies (lme4 depen
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