similar to: help on EM Algorithm for bivariate normal

Displaying 20 results from an estimated 600 matches similar to: "help on EM Algorithm for bivariate normal"

2005 Mar 09
1
Trouble with mixreg
Dear All I am trying to estimate a mixture of regression and get the following error using the mixreg package: Error in y - yhat : non-conformable arrays The instruction I used were: x <- as.matrix(LRHUN) y <- as.matrix(LRINTER) TS <- list(list(beta=c(3.0,1.0),sigsq=1,lambda=0.4), list(beta=c(0.0,1.0),sigsq=1,lambda=0.6)) prova <- mixreg(x,y, ncomp=2, theta.start=TS)
2005 Jun 07
4
Conjoint in R
Hello all, I am trying to apply a conjoint analysis in order to determine the best profile that captures the most preferred combination of levels of given categorical factors. For this a set of factors is given and initially a fractional factorial design has to be produced as a subset of all possible factor levels combinations, sufficient to estimate the main effects utilities. Then the
2004 May 22
2
Mixreg package
Dear R users it's my first time using R and I am specially interested in doing analyses with the "mixreg" package. I use W2000 but it seems the code for R is available only for Linux Os. Anyway I I downloaded the *tar.gz file of the package for R and the converted it in a *zip file. Apparently the installation process was ok, but when loading it I got the following error: Error in
2004 Sep 13
2
Mixture Analysis
Dear all, Does anyone know if the mixture analysis (i.e : sexual dimorphism, age group,…) can be done with R software ? Thanks for your help Dan --------------------------------- [[alternative HTML version deleted]]
2004 Oct 04
4
scatter plot and marginal
Hallo, I would like to add the marginal distributions along the X and the Y axis to a scatter plot. Can anybody help me, please? Thank you, Paolo -- Paolo Bulla Istituto di Metodi Quantitativi Universit?? "L. Bocconi" viale Isonzo 25 20136 Milano paolo.bulla at unibocconi.it
2005 Dec 28
2
R on Mandriva 2006
Hello anyone, I'm trying to install R on Mandriva 2006 distribution via rpm file with the line urpmi R-2.0.0-1mdk.i586.rpm but I got an error message saying that the file is not accessible due to some info problem. I also tried with a source code in R-2.1.1.tar but I think that there is some problem concerning the new version of gcc (4.x), so I downgraded it to gcc 3.4.5 but it does
1998 Oct 14
1
Re: R vrs S
Hi, I am relatively new to R programming. I have Guido's version on a Win95 Pentium with 32 Mb RAM. I tried to compile the Package MIXREG of Rolf Turner in S to R almost everything works OK but he has a function po = partial outer product as follows: po <- function(a,b) { array(apply(b,2,"*",a),dim=c(dim(a),dim(b)[2]))) } in S-Plus given x = ( 1 1 1 2 1 3 1 4
2013 Apr 01
5
Próxima reunión del "Grupo de Usuarios de R de Madrid" - Jueves 4-Abril....
Buenas a todo, Una breve nota para comentaros que este jueves (4-Abril) mantendremos la siguiente reunión del "Grupo de Usuarios de R de Madrid". La agenda prevista es la siguiente: (Prevista) Jueves 4 de Abril de 2013 - *Lugar:* Facultad de Ciencias - UNED. C/ Senda del Rey, 9.<http://portal.uned.es/portal/page?_pageid=93,688166&_dad=portal&_schema=PORTAL> -
2004 Mar 16
3
multiple summation
Hello, I have to compute a multiple summation (not an integration because the independent variables a are discrete) for all the values of a function of several variables f (x_1,...,x_n), that is sum ... sum f(x_1,...,x_n) x_1 x_n have you some suggestion? Is it possible? I know that for multiple integration there is the function adapt, but it has at most n=20. In my case n depends on the
2004 May 26
1
Need help on Mclus output
Dear useRs, I have fitted a mixture with 4 normal components on a univariate distribution using the Mclust package. Now, I would like to get a variable with the cluster membership of each class, or in alternative a variable with the posterior probabilities for each component. Also I cannot find where are the paramenters estimates for each component ,i.e. means and variances. I've read the
2009 Aug 11
3
Problem with modifying a data frame
Hi All, this could be a simple question but I am looking into modifying a data frame using a "condition" without the need to loop over that data, would that be possible? I have tried the following > x<-c(4,5,6,6,8) > y<-c("a","b","b","b","c") > data<-data.frame(x,y) > data x y 1 4 a 2 5 b 3 6 b 4 6 b 5 8 c if
2010 Jun 16
2
error message stops "for" command
Hello all, I am using a for statement to run a loop in R but I get an error message and the loop stops. I need that the loop continues til the end. I know I can use the NEXT command but I don´t know how the sintax woul be for this particular situation. Any suggestions? Thanks, Diana Buitrago [[alternative HTML version deleted]]
2003 Sep 24
3
Call transfert with dial plan
Hello, As I have problems getting transfert call working with my grandstream SIP Phones, I woul like to know if it is possible to do it with a proper dial plan in exten.conf. I haven't found any information about that in the docs. Regards, Daniel ANDRE -- Daniel ANDRE (mailto:dandre@iris-tech.fr) IRIS Technologies - http://www.iris-tech.com Serveur kwartz - http://www.kwartz.com
2009 Jan 01
2
Ruby on rails API website suggestion
I would like to request a feature.. like: http://rubyonrails.org/function and it will search inside http://api.rubyonrails.org for the function and show it. Like PHP has.. http://php.net/basename Example: http://rubyonrails.org/truncate and it will points to http://api.rubyonrails.org/classes/ActionView/Helpers/TextHelper.html#M001541 That woul be cool. Thanks
2009 Jan 01
2
Ruby on rails API website suggestion
I would like to request a feature.. like: http://rubyonrails.org/function and it will search inside http://api.rubyonrails.org for the function and show it. Like PHP has.. http://php.net/basename Example: http://rubyonrails.org/truncate and it will points to http://api.rubyonrails.org/classes/ActionView/Helpers/TextHelper.html#M001541 That woul be cool. Thanks
2006 Mar 24
4
validate if different?
Hi, I seem to remember seeing the equivalent of saving only if all attributes are different. I can''t seem to find that now in the API or the agile book. I''m using the acts_as_versioned and only want to save if the input is different. Thanks, Steve http://www.smarkets.net -------------- next part -------------- An HTML attachment was scrubbed... URL:
2014 Jul 30
2
Fwd: SMB question
Hi, I sent you an email but now when I read it again, it looks like there were some mistakes in it... Please ignore that and address only the following message: Hi, I don't know if this is the right place to ask, but I really couldn't find it anywhere on the web and if you could only provide me with a quick hint, it would be really helpful! I'm experiencing the following problem
2003 May 11
1
NLME - multilevel model using binary outcome - logistic regression
Hi! I'm pretty raw when working with the R models (linear or not). I'm wondering has anybody worked with the NLME library and dichotomous outcomes. I have a binary outcome variable that I woul like to model in a nested (multilevel) model. I started to fit a logistic model to a NLS function, but could not suceed. I know there are better ways to do it in R with either the LRM or GLM wih
2012 Aug 09
1
maildir to sdbox offline conversion
Hi all. I've just installed dovecot v2.1 in a multihomed, multiinstance setup, It took me two days to convert the old v1.1 configs, now everything works like charm! But. :) I have several maildir mailboxes, I decided to use the sdbox storage type instead. I ran into difficoulties using the dsync util. My virtual users are in an OpenLDAP DB on a differnet machine, and I do not have access
2014 Jul 30
1
Smb question
Hi, I don't know if this is the right place to ask, but I really couldn't find it anywhere on the web and if you could only provide me with a quick hint, it would be really helpful! I'm experiencing the following problem with the SMB file share protocol: 1. User1 logs into windows. 2. User1 loads a file (from a network share) and works on it 3. User2 logs into windows on a different