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2008 Mar 03
2
Constrained regression
...negative and add up to 1. I understand it is a quadratic programming problem but I have no experience in the subject. I searched the archives but the results were inconclusive. Could someone provide suggestions and references to the literature, please? Thank you very much. Carlos Carlos Alzola calzola@cox.net (703) 242-6747 [[alternative HTML version deleted]]
2009 Sep 09
0
R-help Digest, Vol 79, Issue 9
> From: "Carlos Alzola" <calzola at cox.net> > To: <r-help at r-project.org> > Date: Tue, 8 Sep 2009 23:19:11 -0400 > Subject: [R] SAS vs. R in web application > Good evening, > > I have been asked to investigate the pros and cons of using SAS vs. R in a web application. Either SAS or R would be the engi...
2009 Sep 09
2
SAS vs. R in web application
Good evening, I have been asked to investigate the pros and cons of using SAS vs. R in a web application. Either SAS or R would be the engine used to make some very simple calculations and to produce graphs, preferably in png format. The advantages of R are pretty obvious as there would be no licensing issues. The only drawback I can see is that when calling it in batch (using R CMD BATCH), a