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Hi Dereje On 17 October 2012 04:23, Dereje Bacha <d_bacha at yahoo.com> wrote: > I want to fit two equations simultaneously > EQ1<-Y1~X1+X2 > EQ2<-Y2~X1+X2 > eqsystem<-list(Y1HAT=EQ1,Y2HAT=EQ2) > fitols<-systemfit(eqsystem...

help.search("upper") "chartr(base) Character Translation and Casefolding" ?chartr refers to the function toupper() Best wishes, Arne On Wednesday 22 September 2004 10:43, pbrouilly at gphy.campus.univ-poitiers.fr wrote: > Dear Any, > > Is there a fonction in...

Hi all! Do you know if there is any R function/package that can be used to estimate "tobit" models with panel data (e.g. with random individual effects)? In economics, a "tobit" model is a model with a dependent...

Hi Marcus! On Wednesday 28 May 2008 05:56, Marcus Vinicius wrote: > Dear all, > May anyone explain to me how I run a linear programming or Data > Envelopment Analysis (DEA models) into R? Package "DEA" (on CRAN): http://cran.r...

Dear Arunima On 14 August 2012 08:58, Arunima Haldar <arunima.haldar at gmail.com> wrote: > I want to know whether systemfit can solve simultaneous equations using > panel data. systemfit cannot *solve* systems of (simultaneous) equations but it can *estimate...

Hi Pia! On 7 February 2011 21:44, ppinger <pinger at uni-mannheim.de> wrote: > I am looking for a maximization routine that I can use to maximize a large > variety of relatively complex likelihoods. I undertand (from previous posts...

source("mycode.R") On Thursday 23 October 2003 15:29, Subramanian Karthikeyan wrote: > Is there a way I can combine multiple lines of R commands (see below) into > a little code snippet or a program in a text file, and...

On Thursday 20 November 2008 09:55:03, soetzel wrote: > I want to implement a structural model with the package systemfit with some > linear and nonlinear constraints. > > How to implement linear restrictions is clear. > > Does anybody know how to set...

On 21 October 2014 22:38, Brian G. Peterson <brian at braverock.com> wrote: > On 10/21/2014 03:17 PM, jun wang wrote: >> >> I am using the maxbfgs function in the maxLik package for the maximum >> likelihood function i...

Hi, I would like to obtain the names of all objects that are provided as further arguments ("...") in a function call. I have created a minimal example that illustrates my wish (but isn't useful otherwise): f1 <- function( ... ) return( deparse...

The package systemfit offers instrumental variables (IV) estimation (2SLS + 3SLS). Though this package is built to estimate equation systems, people told me that they use it also for single equation IV estimations (using an equation "system" that contains only one...

Full_Name: Arne Henningsen Version: 2.4.0 OS: Linux Submission from: (NULL) (134.245.140.242) Sweave does not allow line breaks after forward slashes ("/"). This might lead to a long "substring" of a command that cannot be wrapped...

Dear Uwe I suggest to use "lpSolve" or "lpSolveAPI." /Arne On 8 June 2015 at 10:18, <u0055 at wolke7.net> wrote: > Dear R-SIGs, > > I would like to solve a simplex problem on a web server on the fly...

Dear Mac users I am the maintainer of the R package "frontier." Some Mac users made me aware of that this package is not available for their system [1], because its Fortran code causes a segmentation fault when "R CMD...

"get" is your friend: R> x <- c( 1, 2, 3 ) R> get( "x" ) [1] 1 2 3 All the best, Arne On Wednesday 17 November 2004 16:48, Apoian, Zack wrote: > Say you have a vector named x and a...

Hi Gottfried, w' * V * w is not a restriction, because there is no equal sign. Do you mean w' * V * w = 1? Arne On Sunday 01 May 2005 19:21, Gottfried Gruber wrote: > hi, > > i want to execute the following...

Hi Axel, On Tue, Oct 20, 2009 at 7:09 PM, Axel Leroix <axel.leroix at yahoo.fr> wrote: > I estimated a system of equation bu using SUR method. The function summary(xx) > gives me summary of estimated equation system...

Dear Zack On 4 December 2011 03:08, z2.0 <zack.abrahamson at gmail.com> wrote: > Wanted to ask if there's an easy way to use 'predict' with objects of class > 'censReg', 'maxLik', 'maxim' or 'list'. > > Have a left...

Dear R users, I would like to inform you that everything of the "micEcon" package that is related to Stochastic Frontier Analysis (SFA) has been moved to the "frontier" package, because this is a more appropriate place for the functions...

On Friday, 12. January 2007 11:39, you wrote: > [...] > I think you misunderstood me, given the "long answer". Indeed, I misunderstood you. > We haven't > changed the way deparse() handles "/". The solution in R-devel is given > below. I prefer...