[R] [R-pkgs] Versions 0.50-1 of the np and npRmpi packages released - new features and deprecated options…

2013-03-20 Thread Jeffrey Racine
Dear useRs, We are pleased to announce that versions 0.50-1 of the np package and its MPI-aware counterpart, the npRmpi package, are now available on CRAN: http://cran.r-project.org/web/packages/np/index.html http://cran.r-project.org/web/packages/npRmpi/index.html In these versions we add new

[R] [R-pkgs] The npRmpi package (parallel np package for multi-core environments)

2010-05-18 Thread Jeffrey Racine
treatment of the subject matter can be found in Li, Q. and J. S. Racine (2007), Nonparametric Econometrics: Theory and Practice, Princeton University Press, ISBN: 0691121613 (768 Pages) for those who might be interested (http://press.princeton.edu/titles/8355.html) -- Jeffrey Racine Tristen Hayfield

[R] Assistance with pointers to code for B-spline derivatives (S-plus related).

2010-03-05 Thread Jeffrey Racine
Hi. I have been using the splines package for my work, in particular, the bs() function and associated predict() method. I now find myself in need of the derivatives of this beast. In the man page for predict.bSpline I found `predict(object, x, nseg=50, deriv=0, ...)' but alas this is not

[R] Advice wanted on using optim with both continuous and discrete par arguments...

2010-03-01 Thread Jeffrey Racine
Dear R users, I have a problem for which my objective function depends on both discrete and continuous arguments. The problem is that the number of combinations for the (multivariate) discrete arguments can become overwhelming (when it is univariate this is not an issue) hence search over the

Re: [R] Advice wanted on using optim with both continuous and discrete par arguments...

2010-03-01 Thread Jeffrey Racine
- Original Message - From: Uwe Ligges lig...@statistik.tu-dortmund.de Date: Monday, March 1, 2010 12:59 pm Subject: Re: [R] Advice wanted on using optim with both continuous and discrete par arguments... To: Jeffrey Racine raci...@mcmaster.ca Cc: r-help@r-project.org r-help@r

[R] [R-pkgs] Package np update (0.30-6) adds nonparametric entropy test functionality...

2010-02-08 Thread Jeffrey Racine
Dear R users, Version 0.30-6 of the np package has been uploaded to CRAN. See http://cran.r-project.org/package=np Note that the cubature package is now required in addition to the boot package. The recent updates in 0.30-4 through 0.30-6 provides additional functionality in the form of five