- 1. import.data.bloomberg inputs (score: 1)
- Author: "Quinn, David" <David.Quinn@nrgenergy.com>
- Date: Thu, 12 Dec 2002 13:55:57 -0600
- Would somebody have a list of valid inputs for variables "flag" and "type" for the below function? import.data.bloomberg(topic, security, fields, flag, type, start.date, end.date, periodicity, chron
- /archives/html/s-news/2002-12/msg00101.html (6,812 bytes)
- 2. linear to matrix conversion (score: 1)
- Author: "Quinn, David" <David.Quinn@nrgenergy.com>
- Date: Fri, 1 Nov 2002 18:14:34 -0600
- I have a table of data that depend on two dates. In the following example there are 2 start dates and 3 end dates. START END DATA sdate1 edate1 n11 sdate1 edate2 n12 sdate1 edate3 n13 sdate2 edate1
- /archives/html/s-news/2002-11/msg00007.html (7,031 bytes)
- 3. Changing a Parameter value in a NUOPT System (score: 1)
- Author: "Quinn, David" <David.Quinn@nrgenergy.com>
- Date: Fri, 25 Oct 2002 20:11:43 -0500
- The NUOPT User's Guide version 1.4, Chapter 4, p.36 gives the following example of changing the value of a Parameter in an already created System: function() { a <- Set(1:10) i <- Element(set=a) p <
- /archives/html/s-news/2002-10/msg00222.html (8,689 bytes)
- 4. Re: Changing a Parameter value in a NUOPT System (score: 1)
- Author: "Quinn, David" <David.Quinn@nrgenergy.com>
- Date: Mon, 28 Oct 2002 09:52:26 -0600
- It's a bug in the docs that they've entered a problem report to fix. The " should be replaced with the usual SIMPLE assignment operator ~ . Thanks to Sherry Lamonica of Insightful for her help. funct
- /archives/html/s-news/2002-10/msg00243.html (9,818 bytes)
- 5. dynamic programming (score: 1)
- Author: "Quinn, David" <David.Quinn@nrgenergy.com>
- Date: Thu, 31 Oct 2002 17:21:35 -0600
- Does anyone know of code or templates to use for dynamic programming in S-Plus? Thanks -- David
- /archives/html/s-news/2002-10/msg00276.html (6,826 bytes)
- 6. Suppressing output from NUOPT (score: 1)
- Author: "Quinn, David" <David.Quinn@nrgenergy.com>
- Date: Fri, 20 Sep 2002 14:19:50 -0500
- Is it possible to run NUOPT (linear and quadratic solver add-on to SPlus) and suppress the output? With "factory settings" it produces output when it creates its internal equation system (listing for
- /archives/html/s-news/2002-09/msg00140.html (6,962 bytes)
- 7. Accessing Database (score: 1)
- Author: "Quinn, David" <David.Quinn@nrgenergy.com>
- Date: Wed, 14 Aug 2002 17:10:11 -0500
- I will need to access data from a database using a "Cognos" front end. Does Splus have any capabilities for this? Thanks, David
- /archives/html/s-news/2002-08/msg00097.html (6,759 bytes)
- 8. Using For instead of for (score: 1)
- Author: "Quinn, David" <David.Quinn@nrgenergy.com>
- Date: Fri, 19 Jul 2002 19:28:27 -0500
- I have a very compute-intensive function for which I am trying the "For" function instead of "for". I have replaced the old loop which works for (var1 in 1:5){ for (var3 in 1:5){ param1 <- var1-3 pa
- /archives/html/s-news/2002-07/msg00137.html (7,772 bytes)
- 9. Re: Using For instead of for (score: 1)
- Author: "Quinn, David" <David.Quinn@nrgenergy.com>
- Date: Fri, 19 Jul 2002 19:31:45 -0500
- I should have added: I am using Splus 6.0 Professional Release 4 for Windows, on Windows 2000. -- David Hello, I have a very compute-intensive function for which I am trying the "For" function instea
- /archives/html/s-news/2002-07/msg00138.html (8,121 bytes)
- 10. Many regressions (score: 1)
- Author: "Quinn, David" <David.Quinn@nrgenergy.com>
- Date: Thu, 20 Jun 2002 17:10:14 -0500
- I want to run several thousand independent linear regressions of the form lm(y~x) without building a loop, which runs too slow. Each pair of x and y vectors generates an independent pair of regressio
- /archives/html/s-news/2002-06/msg00182.html (7,014 bytes)
- 11. Re: Many regressions (score: 1)
- Author: "Quinn, David" <David.Quinn@nrgenergy.com>
- Date: Thu, 20 Jun 2002 18:07:36 -0500
- Thanks to Brad Biggerstaff, Jim Pratt, and Tim Hesterberg and Jeffrey Wang of Insightful for their answers. I think the easiest for what I want to do wil be what Tim and Jeffrey both suggested: use t
- /archives/html/s-news/2002-06/msg00184.html (8,847 bytes)
- 12. Exchanging Indices of a Matrix (score: 1)
- Author: "Quinn, David" <David.Quinn@nrgenergy.com>
- Date: Tue, 25 Jun 2002 12:22:52 -0500
- Is there an easy way to do the following without the looping? I'm guessing not, since I think the internal representation of a matrix is as a list. -- Thanks, David for (i in 1:x) { for (j in 1:y) {
- /archives/html/s-news/2002-06/msg00203.html (7,816 bytes)
- 13. Re: Exchanging Indices of a Matrix (score: 1)
- Author: "Quinn, David" <David.Quinn@nrgenergy.com>
- Date: Tue, 25 Jun 2002 12:54:06 -0500
- Thanks for the answers. All I am doing below is transposing t(). (somehow this didn't occur to me.) But in general I could use permutation aperm(). As Win Lambert and Brian Ripley points out, these f
- /archives/html/s-news/2002-06/msg00207.html (8,293 bytes)
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