Displaying 20 results from an estimated 4000 matches similar to: "look for the package of latent class stochastic frontier"
2013 Apr 25
1
Stochastic Frontier: Finding the optimal scale/scale efficiency by "frontier" package
Hi,
I am trying to find out the scale efficiency and optimal scale of banks
by stochastic frontier analysis given the panel data of bank. I am free to
choose any model of stochastic frontier analysis.
The only approach I know to work with R is to estimate a translog
production function by sfa or other related function in frontier package,
and then use the Ray 1998 formula to find the scale
2008 May 29
1
package for stochastic frontier models?
I need to estimate maximum tree crown radius and am looking for a package to
prepare stochastic frontier models in R. I have not found any package
references on Nabble R help, google, or R help. Any tips on a package for
this?
With regards,
Aaron Trowbridge
Researcher
BV Research Centre
Smithers B.C.
--
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2010 Feb 21
1
Tutorials and scripts of Stochastic Frontier Analysis and Linear Programming.
Dear all,
I want to program my own models about Stochastic Frontier Analysis and
Linear programming (Data Envelopment Analysis). In this context, is there
anyone that may help me with some simple tutorials and scripts about these
issues?
Thanks a lot.
--
Marcus Vinicius Pereira de Souza, Prof.
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2008 Nov 08
0
New package "frontier" for Stochastic Frontier Analysis (SFA)
Hi!
A few weeks ago, I have uploaded a new R package "frontier" for Stochastic
Frontier Analysis (SFA) [1] to CRAN [2]. It includes the FORTRAN code of Tim
Coelli's [3] software "Frontier 4.1" [4]. Hence, the R package "frontier"
should have the same capabilities as "Frontier 4.1", i.e. Maximum Likelihood
Estimation of Stochastic Frontier Production
2008 Nov 08
0
New package "frontier" for Stochastic Frontier Analysis (SFA)
Hi!
A few weeks ago, I have uploaded a new R package "frontier" for Stochastic
Frontier Analysis (SFA) [1] to CRAN [2]. It includes the FORTRAN code of Tim
Coelli's [3] software "Frontier 4.1" [4]. Hence, the R package "frontier"
should have the same capabilities as "Frontier 4.1", i.e. Maximum Likelihood
Estimation of Stochastic Frontier Production
2013 Feb 15
1
FRONTIER
Hello everybody,
Anyone familiar with the package frontier? I have some general questions on how to approach the model design.
Thanks in advance
Giovanna
Giovanna Ottaviani Aalmo
Stipendiat/Ph.D. Student
-------------------------------------------
Norsk institutt for skog og landskap
Pb 115, NO-1431 Ås
T (+47) 64 94 9094
M(+47) 980 30 422
F(+47) 64 94 90 80
2012 Dec 09
1
Error message "cs_lu(A) failed: near-singular A (or out of memory)"
Hi there everyone,
I have the following model (this is naturally a simplified version just for
showing my problem, in case you're wondering this is a translog cost
function with the associated cost share equations):
C ~ á + â1 log X + â2 log Y + ã1 log Z + ã2 log XX
C1 ~ â1 + â2 log YY + ã1 log ZZ
Then I have some restrictions on the coefficients, namely that the sum of â
equal 1 and the
2009 May 04
0
frontier 0.99 is NOT backward compatible
Dear current (and future) users of the "frontier" package,
We are approaching the first stable version (1.0) of the frontier package,
which provides tools for microeconomic Stochastic Frontier Analysis (SFA).
I have uploaded a kind of beta release (version 0.99) of this package to CRAN.
The most important differences to version 0.9 affect the user interface. I
have modified the
2009 May 04
0
frontier 0.99 is NOT backward compatible
Dear current (and future) users of the "frontier" package,
We are approaching the first stable version (1.0) of the frontier package,
which provides tools for microeconomic Stochastic Frontier Analysis (SFA).
I have uploaded a kind of beta release (version 0.99) of this package to CRAN.
The most important differences to version 0.9 affect the user interface. I
have modified the
2008 Jun 13
1
Access violation when calling Front41
Hello! When I tried to call Front41 in R, I met some problem. After I
entered: system ('front41.exe'), an error occured :
"jwe0019i-u The program was terminated abnormally with Exception Code
EXCEPTION_ACCESS_VIOLATION.
error summary (Fortran)
error number error level error count
jwe0019i u 1
total error count = 1
FRONTIER - Version 4.1c
2013 Jul 22
0
Version 1.0 of the R package "frontier" released
Dear all
I am happy to announce that version 1.0 of the "frontier" package is
available on CRAN. The R package "frontier" provides tools for
analysing efficiency and productivity using the "stochastic frontier"
approach. This R package is based on Tim Coelli's DOS software
"FRONTIER 4.1" and has been available on CRAN for almost 5 years now.
After many
2008 Dec 09
0
SFA tools moved from micEcon to frontier
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
"front41WriteInput", "front41ReadOutput", and "front41Est", and the
corresponding (S3) methods. The data
2008 Dec 09
0
SFA tools moved from micEcon to frontier
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
"front41WriteInput", "front41ReadOutput", and "front41Est", and the
corresponding (S3) methods. The data
A log on Bayesian statistics, stochastic cost frontier, montecarl o markov chains, bayesian P-values
2004 Feb 17
0
A log on Bayesian statistics, stochastic cost frontier, montecarl o markov chains, bayesian P-values
Dear friends,
Over the past weeks, I have been asking a lot of questions about how to
use R in Bayesian analysis. I am brand new to R, but I am very pleased with
it. I started with winbugs but I found winbugs to be a limited software, not
bad but has several limitations. By contrast, R allows the analyst to tackle
any problem with a huge set of tools for any kind of analysis. I love R. In
2016 Dec 06
1
New R package on CRAN: productivity (0.1.0)
Dear R users,
I am happy to announce that the R package 'productivity: Indices of
Productivity Using Data Envelopment Analysis' is now available on CRAN
(https://cran.r-project.org/package=productivity).
Productivity allows computing various transitive measures of
productivity and profitability, in both levels and changes.
In addition to the classic Malmquist productivity index,
2016 Dec 06
1
New R package on CRAN: productivity (0.1.0)
Dear R users,
I am happy to announce that the R package 'productivity: Indices of
Productivity Using Data Envelopment Analysis' is now available on CRAN
(https://cran.r-project.org/package=productivity).
Productivity allows computing various transitive measures of
productivity and profitability, in both levels and changes.
In addition to the classic Malmquist productivity index,
2012 Sep 13
2
[LLVMdev] Dominance frontier & Postdominance frontier
Hi,
I found that LLVM 3.1 says Dominance frontier is deprecated. Can anyone please tell me, if there is any replacement for Dominance frontier & Postdominance frontier in LLVM? What are the options if we need to use them?
Thanks,
Swarup.
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2006 Nov 10
2
[LLVMdev] post-dominance frontier
In the literature (see below for a reference), when a dominance frontier
is computed, it is computed from a CFG that contains a dummy entry node
and dummy exit node. Further, those dummy nodes are potential members
of the (post-)dominance frontier for a given basic block. In LLVM, I
could not figure out a way to determine if the dummy entry node is a
member of the post-dominance frontier of
2006 Nov 13
0
[LLVMdev] post-dominance frontier
On Thu, 9 Nov 2006, Ryan M. Lefever wrote:
Sorry I never responded to this:
> In the literature (see below for a reference), when a dominance frontier
> is computed, it is computed from a CFG that contains a dummy entry node
> and dummy exit node. Further, those dummy nodes are potential members
> of the (post-)dominance frontier for a given basic block. In LLVM, I
> could not
2009 Oct 15
4
Generating a stochastic matrix with a specified second dominant eigenvalue
Hi,
Given a positive integer N, and a real number \lambda such that 0 < \lambda
< 1, I would like to generate an N by N stochastic matrix (a matrix with
all the rows summing to 1), such that it has the second largest eigenvalue
equal to \lambda (Note: the dominant eigenvalue of a stochastic matrix is
1).
I don't care what the other eigenvalues are. The second eigenvalue is