[R] [R-pkgs] micEcon split into micEconSNQP, micEconCES, and micEcon

[Arne Henningsen]

In December, the packages "miscTools" and "micEconAids" were separated
from the "micEcon" package. Now, two further packages have been
separated from the micEcon package: "micEconSNQP" and "micEconCES".

The "micEconSNQP" package (version 0.6-2) provides tools for
production analysis with the Symmetric Normalized Quadratic (SNQ)
profit function (also known as the "Generalized McFadden" profit
function), e.g. snqProfitEst() for estimating the SNQ profit function,
snqProfitCalc() for calculating the endogenous variable of the SNQ
profit function, or snqProfitEla() for calculating price elasticities
of the SNQ profit function.

The "micEconCES" package (version 0.6-6) provides tools for estimating
the Constant Elasticity of Scale (CES) function. Function cesEst() has
been tremendously improved. It can estimate the CES function using
much more estimation methods (optimizers) now, e.g. the
Levenberg-Marquardt or the Differential Evolution algorithm.
Furthermore a "vignette" (supplementary documentation) "Estimating the
CES Function in R: Package micEconCES" (written by Geraldine
Henningsen and Arne Henningsen) [1] has been added.

The "micEcon" package (version 0.6-2) includes the remaining parts of
the "old" micEcon package, e.g. for economic analysis with
Cobb-Douglas functions, translog functions, quadratic functions, or
linearly homogeneous non-parametric functions.

All these packages are available on CRAN [2,3,4] and R-Forge [5].

[1] http://cran.r-project.org/web/packages/micEconCES/vignettes/CES.pdf
[2] http://cran.r-project.org/package=micEcon
[3] http://cran.r-project.org/package=micEconSNQP
[4] http://cran.r-project.org/package=micEconCES
[5] http://r-forge.r-project.org/projects/micecon/

Feedback is highly welcome!

/Arne

-- 
Arne Henningsen
http://www.arne-henningsen.name

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