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1. import data with one observation in mulitple lines (score: 1): Author: haibo tang <haibotang@yahoo.com>; Date: Fri, 16 Aug 2002 08:37:23 -0700 (PDT); Hi Everyone, I am trying to import with Splus a dataset formated for SAS. The problem is that every observation extends into several lines. I tried "scan", but can't get it right. Does anyone have th; /archives/html/s-news/2002-08/msg00111.html (7,293 bytes)
2. import data with hh:mm:ss ? (score: 1): Author: haibo tang <haibotang@yahoo.com>; Date: Sat, 27 Apr 2002 20:35:17 -0700 (PDT); Hi everyone, I have spent the whole evening trying to import data set with one of the column being clock time: hh:mm:ss. I have tried importData, scan and read.table. None worked for me. Does anyone; /archives/html/s-news/2002-04/msg00218.html (7,304 bytes)
3. Summary: import data with time columns (score: 1): Author: haibo tang <haibotang@yahoo.com>; Date: Tue, 30 Apr 2002 16:11:35 -0700 (PDT); Hi everyone, As always, I have got the answer I need from you guys. I want to thank Calvin, Nick Ellis, Tony Plate, and Wils Corrigan, for their fast and helpful responses. I used Nick's method. I us; /archives/html/s-news/2002-04/msg00227.html (7,253 bytes)
4. building block-diagonal matrix ? (score: 1): Author: haibo tang <haibotang@yahoo.com>; Date: Tue, 15 Jan 2002 20:47:50 -0800 (PST); Here is the question: I have two matrices,a and b. [,1] [,2] [1,] 1 2 [2,] 3 4 [,1] [,2] [,3] [1,] 1 2 3 [2,] 4 5 6 [3,] 7 8 9 What I want is a matrix like this: a 0 0 b where the 0's are block sub-; /archives/html/s-news/2002-01/msg00094.html (7,452 bytes)
5. Summary: building block-diag matrices (score: 1): Author: haibo tang <haibotang@yahoo.com>; Date: Fri, 18 Jan 2002 10:49:52 -0800 (PST); I thank all who have replied to my question. I am really impressed by you guys' quick replies. All the answers I have received work for the particular example. Scott Chasalow and Julian Taylor provi; /archives/html/s-news/2002-01/msg00131.html (8,269 bytes)
6. combine duplicated rows in a big data set (score: 1): Author: haibo tang <haibotang@yahoo.com>; Date: Fri, 6 Jul 2001 19:42:13 -0700 (PDT); Dear Splus Users, When handling a big data set ( 200K * 26 ), I come across this problem. The data set ( M1 )looks like this: V1 V2 V3 1 A X 4 2 B X 1 3 A Y 2 4 A X 3 5 B Y 5 6 B Z 6 7 C Z 3 What I w; /archives/html/s-news/2001-07/msg00038.html (7,144 bytes)
7. Summary: combine duplicated rows in a big data set (score: 1): Author: haibo tang <haibotang@yahoo.com>; Date: Tue, 10 Jul 2001 19:26:45 -0700 (PDT); Dear Splus users, I want to thank Peter Geddes, Patrick Connolly, Nick Ellis for their responses. I end up using Dunlap's "agg.sum" function.It works great for big data sets. Below are their answers; /archives/html/s-news/2001-07/msg00075.html (8,590 bytes)
8. Cluster Plots (score: 1): Author: haibo tang <haibotang@yahoo.com>; Date: Wed, 11 Jul 2001 20:21:32 -0700 (PDT); Dear S+ Users, I am learning how to do cluster analysis with S+ 6 in Unix. when I tried to make the clusplot and silhouette plot with the clusplot would appear for one second then would be covered by; /archives/html/s-news/2001-07/msg00084.html (6,728 bytes)
9. step halving factor reduced below minimum (score: 1): Author: haibo tang <haibotang@yahoo.com>; Date: Thu, 12 Jul 2001 10:28:15 -0700 (PDT); Dear S+ Users, this is an urgent question for a friend. She got the following error when using gnls command. "step halving factor reduced below minimum in NLS step.." the gnls command is used as foll; /archives/html/s-news/2001-07/msg00089.html (7,694 bytes)
10. Summary: cluster plot (score: 1): Author: haibo tang <haibotang@yahoo.com>; Date: Thu, 12 Jul 2001 19:31:59 -0700 (PDT); Dear S+ Users, I want to thank Peter Ellis and Andy Liaw for their quick responses. In the end, I used Andy's way, which gave more control. Andy : When a sequence of plots are generated "on-the-fly",; /archives/html/s-news/2001-07/msg00097.html (7,117 bytes)
11. gnls error message (score: 1): Author: haibo tang <haibotang@yahoo.com>; Date: Fri, 13 Jul 2001 07:57:26 -0700 (PDT); Dear S+ Users, this is an urgent question for a friend. She got the following error when using gnls command. "step halving factor reduced below minimum in NLS step.." the gnls command is used as foll; /archives/html/s-news/2001-07/msg00102.html (7,424 bytes)
12. How to skip wrong steps in a loop (score: 1): Author: haibo tang <haibotang@yahoo.com>; Date: Mon, 16 Jul 2001 13:12:13 -0700 (PDT); Dear S+ users, Does anyone know how to skip wrong steps in a loop, that's, ask Spus to go on to the next step if the present step gives error messages? Any help is appreciated. Thanks, Haibo ________; /archives/html/s-news/2001-07/msg00121.html (6,579 bytes)
13. Matlab > Splus ? (score: 1): Author: haibo tang <haibotang@yahoo.com>; Date: Tue, 17 Jul 2001 12:04:46 -0700 (PDT); Dear S+ Users, Can anyone give me some ideas of how good Splus is compared with Matlab? A lot of my friends are using Matlab. Some told me that Matlab is faster than Splus. Is it true? Haibo ________; /archives/html/s-news/2001-07/msg00129.html (6,436 bytes)
14. Summary:Matlab > Splus? (score: 1): Author: haibo tang <haibotang@yahoo.com>; Date: Wed, 18 Jul 2001 18:33:43 -0700 (PDT); Dear S+ users, I would like to thank Andy Liaw, Matt Kurbat, Randy Norsworthy,Claudio Verzilli and Andrew Sinclair for their responses to my question about Matlab and Splus. (by the way,I joined this; /archives/html/s-news/2001-07/msg00138.html (9,961 bytes)

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