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References: [ +from:Dimitrios.Chalvatzis@eon-uk.com: 14 ]

Total 14 documents matching your query.

1. Re: Faraway library (score: 1)
Author: "Chalvatzis, Dimitrios (Energy Wholesale)" <Dimitrios.Chalvatzis@eon-uk.com>
Date: Tue, 2 May 2006 15:46:59 +0100
If this is the R library from Faraway&#8217;s book you simply cannot load it in S-Plus.<o:p></o:p> If you are referring to a different distribution [compatible with S+], I would suggest to check whet
/archives/html/s-news/2006-05/msg00002.html (13,212 bytes)

2. Re: Generate random numbers knowing median and inter-quartiles (score: 1)
Author: "Chalvatzis, Dimitrios (Energy Wholesale)" <Dimitrios.Chalvatzis@eon-uk.com>
Date: Thu, 4 May 2006 16:41:23 +0100
I think your question needs further clarity. What is it that you are trying to achieve? The generation of random numbers requires an assumption [or observation for empirical densities] of a distribu
/archives/html/s-news/2006-05/msg00017.html (11,726 bytes)

3. Re: simple arithmetic (score: 1)
Author: "Chalvatzis, Dimitrios (Energy Wholesale)" <Dimitrios.Chalvatzis@eon-uk.com>
Date: Thu, 6 Apr 2006 11:29:08 +0100
There is an easy solution to your problem if you already have a function that generates all combinations of n things taken 2 at a time. I use the 'combn2' function from the Combinatorics package by
/archives/html/s-news/2006-04/msg00016.html (11,067 bytes)

4. Re: simple arithmetic (score: 1)
Author: "Chalvatzis, Dimitrios (Energy Wholesale)" <Dimitrios.Chalvatzis@eon-uk.com>
Date: Thu, 6 Apr 2006 11:34:42 +0100
Just to clarify that the whole script [as.vector...] should be in one line! I just realised that Outlook presented the script in two lines and preceeded the second line with an invalid '>' character.
/archives/html/s-news/2006-04/msg00017.html (12,112 bytes)

5. Re: Roll nlme (score: 1)
Author: "Chalvatzis, Dimitrios (Energy Wholesale)" <Dimitrios.Chalvatzis@eon-uk.com>
Date: Thu, 6 Apr 2006 12:59:21 +0100
Please specify whether you have the Finmetrics If that is the case you simply need to populate the &#8216;roll&#8217; function arguments according to the instructions of the help file.<o:p></o:p> <o:
/archives/html/s-news/2006-04/msg00019.html (14,774 bytes)

6. Re: Roll nlme (score: 1)
Author: "Chalvatzis, Dimitrios (Energy Wholesale)" <Dimitrios.Chalvatzis@eon-uk.com>
Date: Thu, 6 Apr 2006 14:30:55 +0100
Speed of &#8216;roll&#8217; is highly dependent on the complexity of the function itself.<o:p></o:p> A 500-step backtesting of a multivariate garch (which is computationally intensive) can take up to
/archives/html/s-news/2006-04/msg00021.html (23,904 bytes)

7. Re: simple arithmetic (score: 1)
Author: "Chalvatzis, Dimitrios (Energy Wholesale)" <Dimitrios.Chalvatzis@eon-uk.com>
Date: Thu, 6 Apr 2006 15:20:56 +0100
Elegant piece of code, Marcus<o:p></o:p> <o:p> </o:p> Dimitrios Chalvatzis Risk Analyst Energy Wholesale/Risk Policies & Methods T +44 (0)24 7642 5429 F +44 (0)24 7642 5479 Dimitrios.Chalvatzis@eon-u
/archives/html/s-news/2006-04/msg00024.html (26,990 bytes)

8. Re: simple vector question (score: 1)
Author: "Chalvatzis, Dimitrios (Energy Wholesale)" <Dimitrios.Chalvatzis@eon-uk.com>
Date: Wed, 12 Oct 2005 16:35:01 +0100
Dimitrios Chalvatzis Risk Analyst Energy Wholesale/Risk Policies & Methods T +44 (0)24 7642 5429 F +44 (0)24 7642 5479 Dimitrios.Chalvatzis@eon-uk.com --Original Message-- From: s-news-owner@lists.b
/archives/html/s-news/2005-10/msg00034.html (14,176 bytes)

9. SDE in Finmetrics2 (score: 1)
Author: "Chalvatzis, Dimitrios (Energy Wholesale)" <Dimitrios.Chalvatzis@eon-uk.com>
Date: Wed, 10 Aug 2005 13:09:46 +0100
d
/archives/html/s-news/2005-08/msg00038.html (18,736 bytes)

10. Re: Query: barplot (score: 1)
Author: "Chalvatzis, Dimitrios (Energy Wholesale)" <Dimitrios.Chalvatzis@eon-uk.com>
Date: Tue, 16 Aug 2005 17:04:24 +0100
o
/archives/html/s-news/2005-08/msg00055.html (11,647 bytes)

11. Re: edit values (score: 1)
Author: "Chalvatzis, Dimitrios (Energy Wholesale)" <Dimitrios.Chalvatzis@eon-uk.com>
Date: Thu, 18 Aug 2005 14:29:07 +0100
_
/archives/html/s-news/2005-08/msg00080.html (9,463 bytes)

12. Re: comparing character vectors (score: 1)
Author: "Chalvatzis, Dimitrios (Energy Wholesale)" <Dimitrios.Chalvatzis@eon-uk.com>
Date: Mon, 22 Aug 2005 13:42:47 +0100
h
/archives/html/s-news/2005-08/msg00098.html (9,429 bytes)

13. Re: pattern (score: 1)
Author: "Chalvatzis, Dimitrios (Energy Wholesale)" <Dimitrios.Chalvatzis@eon-uk.com>
Date: Tue, 16 May 2006 16:58:56 +0100
You almost had it:<o:p></o:p> <o:p> </o:p> test1<-substituteString("\\+", "", test1,global=T)<o:p></o:p> attr(regexpr("[A-Z]+",test1), "match.length")<o:p></o:p> <o:p> </o:p> Dimitrios Chalvatzis Ris
/archives/html/s-news/2006-05/msg00053.html (14,058 bytes)

14. Re: From: "Chalvatzis, Dimitrios (Energy Wholesale)" <Dimitrios.Chalvatzis@eon-uk.com> (score: 1)
Author: "Chalvatzis, Dimitrios (Energy Wholesale)" <Dimitrios.Chalvatzis@eon-uk.com>
Date: Tue, 6 Jun 2006 14:09:30 +0100
Check &#8216;lda&#8217;<o:p></o:p> <o:p> </o:p> Dimitrios Chalvatzis Risk Analyst Energy Wholesale/Risk Policies & Methods T +44 (0)24 7642 5429 F +44 (0)24 7642 5479 Dimitrios.Chalvatzis@eon-uk.com
/archives/html/s-news/2006-06/msg00007.html (12,521 bytes)

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