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1. Re: Importing dates from Excel (score: 1): Author: james.holtman@convergys.com; Date: Tue, 4 Jan 2005 08:20:16 -0500; To convert to hours, use the following: [,1] [1,] 0.5740722 [2,] 10.2157660 __________________________________________________________ James Holtman "What is the problem you are trying to solve?" Exe; /archives/html/s-news/2005-01/msg00012.html (9,973 bytes)
2. Re: Importing dates from Excel (score: 1): Author: james.holtman@convergys.com; Date: Tue, 4 Jan 2005 08:30:16 -0500; I forgot 'byrow=T'... Fast fingers. matrix(as.numeric(unlist(strsplit(x.1,":"))),ncol=3,byrow=T)%*%c(1,1/60,1/3600) [,1] [1,] 0.1761419 [2,] 12.3490993 _______________________________________________; /archives/html/s-news/2005-01/msg00013.html (11,106 bytes)
3. Re: Assigning a name in a function, similar to a SAS macro (score: 1): Author: james.holtman@convergys.com; Date: Fri, 7 Jan 2005 12:56:37 -0500; Consider the use of 'get' and 'assign': function(OLD, NEW){ assign(paste('program1', NEW, sep=''), frame=0) <- modify(get(paste('program1', OLD, sep=''), frame=0)) ...... } You might also consider th; /archives/html/s-news/2005-01/msg00038.html (11,516 bytes)
4. Re: creating a counter from two vectors (score: 1): Author: james.holtman@convergys.com; Date: Fri, 5 Nov 2004 13:12:42 -0500; Take a look at 'rle' (run lenght encoding). [1] TRUE TRUE TRUE TRUE FALSE TRUE FALSE TRUE TRUE TRUE Run Length Encoding lengths: int [1:5] 4 1 1 1 3 values : logi [1:5] TRUE FALSE TRUE FALSE TRUE + i; /archives/html/s-news/2004-11/msg00030.html (9,759 bytes)
5. Re: Data Extraction (score: 1): Author: james.holtman@convergys.com; Date: Mon, 22 Nov 2004 20:57:37 -0500; biostat.wus; /archives/html/s-news/2004-11/msg00136.html (9,254 bytes)
6. Re: Query: generalising tapply to calculate cross sectional correlati (score: 1): Author: james.holtman@convergys.com; Date: Thu, 25 Nov 2004 14:53:43 -0500; h observati; /archives/html/s-news/2004-11/msg00153.html (9,886 bytes)
7. Re: Early release? (score: 1): Author: james.holtman@convergys.com; Date: Thu, 18 Dec 2003 13:38:09 -0500; eng; /archives/html/s-news/2003-12/msg00105.html (10,578 bytes)
8. Re: question about generating item response vector (revised) (score: 1): Author: james.holtman@convergys.com; Date: Fri, 17 Oct 2003 16:29:34 -0400; /archives/html/s-news/2003-10/msg00181.html (15,803 bytes)
9. Re: avoiding a loop (score: 1): Author: james.holtman@convergys.com; Date: Sun, 15 Jun 2003 22:22:21 -0400; Here is another way by using the 'rle' function; [1] 0 1 0 1 1 1 0 1 1 1 1 1 0 0 0 0 1 1 1 1 0 1 1 1 1 1 0 1 1 0 1 1 1 0 0 1 1 [38] 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 0 0 1 1 1 1 1 1 1 1 0 1 1 1; /archives/html/s-news/2003-06/msg00092.html (12,391 bytes)
10. Re: Improving efficiency in matching to the closest value (score: 1): Author: james.holtman@convergys.com; Date: Wed, 2 Apr 2003 13:12:07 -0500; Try using 'outer' as below: minimum int [1:1000] 717 347 910 940 940 433 180 65 579 696 ... "Steve Su" <s.su@qut.edu.au> To: <s-news@lists.biostat.wustl.edu> Sent by: cc: s-news-owner@lists.biosta Su; /archives/html/s-news/2003-04/msg00008.html (12,286 bytes)
11. Re: Improving efficiency in matching to the closest value (score: 1): Author: james.holtman@convergys.com; Date: Wed, 2 Apr 2003 14:56:29 -0500; He did not say how big he wanted it to scale. For the values he gave (vector of 1000) this is only using 8MB of memory and it is fast. I agree that if he has vector longer than about 4000 (using 128M; /archives/html/s-news/2003-04/msg00010.html (11,371 bytes)
12. FW: apply function to mutliple columns (score: 1): Author: james.holtman@convergys.com; Date: Thu, 7 Feb 2002 10:54:40 -0500; Try sapply. In this case you want to send it the indices of the columns of interest. In your case, you want to iterate through 1/2 of the columns. The following will take the difference of two adjoin; /archives/html/s-news/2002-02/msg00065.html (11,401 bytes)
13. Graphical output to "sink" (score: 1): Author: james.holtman@convergys.com; Date: Sat, 16 Jun 2001 21:09:58 -0400; I am creating an output file from SPLUS using "sink('data')". All the output goes to the file, except for the 'show.printer()' command which should dump a graph to the output file. When I run this, t; /archives/html/s-news/2001-06/msg00146.html (7,402 bytes)
14. Problems with command line editor (score: 1): Author: james.holtman@convergys.com; Date: Fri, 25 May 2001 16:32:09 -0400; I am having problems with the command line editor in SPLUS Version 6.0 Release 1 for Sun SPARC, SunOS 5.6 : 2000 on UNIX. I have the environment variable EDITOR set to 'vi' (export EDITOR=vi) and inv; /archives/html/s-news/2001-05/msg00293.html (7,669 bytes)
15. Is there an 'str' function for SPLUS 6? (score: 1): Author: james.holtman@convergys.com; Date: Sat, 21 Apr 2001 19:18:55 -0400; I have just started to use SPLUS 6 on UNIX. There was a function under SPLUS 3.4 (and under R) called 'str' that would print out the structure of an object. Is there an equivalent function available; /archives/html/s-news/2001-04/msg00222.html (7,671 bytes)
16. Why the differences in processing times? (score: 1): Author: james.holtman@convergys.com; Date: Wed, 22 Nov 2000 16:18:17 -0500; I have been running some test scripts on SPLUS 3.4 and SPLUS 5.1 on a UNIX SUN system. I ran the same scripts, but the processing times for 'sapply' were much longer on the later 5.1 version (1.18 se; /archives/html/s-news/2000-11/msg00208.html (10,094 bytes)
17. SPLUS processing times - continued (score: 1): Author: james.holtman@convergys.com; Date: Mon, 27 Nov 2000 08:27:57 -0500; After playing around with it for a while, the performance problem seems to be in 5.1 with including a function definition in the tapply call. Here are the two tests that I ran: SPLUS 5.1 == Version 5; /archives/html/s-news/2000-11/msg00215.html (7,744 bytes)
18. [S] differences in 'scan' (score: 1): Author: james.holtman@convergys.com; Date: Tue, 20 Jun 2000 20:26:20 -0400; I am starting to convert some applications from SPLUS 3.4 to SPLUS 5.1 on a SUN UNIX machine. One application reads in a structure with 7M lines with 5 numbers per line. These have been setup as inte; /archives/html/s-news/2000-06/msg00130.html (8,651 bytes)
19. [S] Summing up values (score: 1): Author: james.holtman@convergys.com; Date: Tue, 18 Jan 2000 09:19:16 -0500; I have an array of data that has in the first two columns the indices of another array that I want to accumulate a sum and the 3rd column is the value: e.g., [,1] [,2] [,3] [1,] 1 1 10 [2,] 1 1 20 [3; /archives/html/s-news/2000-01/msg00117.html (8,181 bytes)
20. [S] Another chron problem (score: 1): Author: james.holtman@convergys.com; Date: Wed, 19 Jan 2000 08:55:35 -0500; Does anyone know how to make 'chron' Y2K compliant? == S-PLUS : Copyright (c) 1988, 1996 MathSoft, Inc. S : Copyright AT&T. Version 3.4 Release 1 for Sun SPARC, SunOS 5.3 : 1996 Warning messages: The; /archives/html/s-news/2000-01/msg00138.html (7,735 bytes)

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