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References: [ +from:augusto@lps.ufrj.br: 18 ]

Total 18 documents matching your query.

1. Problem when using neural network for prediction. (score: 1)
Author: "Augusto Cesar H. Dantas" <augusto@lps.ufrj.br>
Date: Thu, 13 May 2004 10:31:19 -0300 (BRT)
Dear S-plus users, I have designed a simple backpropagation neural network to perform time series prediction, that is, inputs x(t), x(t-1),..., x(t-N+1) must produce x(t+1) in the output. Training co
/archives/html/s-news/2004-05/msg00067.html (7,376 bytes)

2. 3D Histogram (score: 1)
Author: "Augusto Cesar H. Dantas" <augusto@lps.ufrj.br>
Date: Tue, 10 Feb 2004 11:53:35 -0200 (BRST)
does anybody know the best way to generate and plot 3D histograms ("legoplots") in Splus? Thanks in advance, Augusto. -- Augusto Cesar Heluy Dantas D.Sc. Student at COPPE/UFRJ Rio de Janeiro, Brazil
/archives/html/s-news/2004-02/msg00072.html (6,345 bytes)

3. chisq.gof (score: 1)
Author: "Augusto Cesar H. Dantas" <augusto@lps.ufrj.br>
Date: Thu, 6 Nov 2003 10:06:30 -0200 (BRST)
Dear all, does anybody know how I could use chisq.gof with other functions than the suggested in the help? For example, how could I fit a sample to the right side of a normal distribution only, or to
/archives/html/s-news/2003-11/msg00036.html (6,602 bytes)

4. MASS Library. (score: 1)
Author: "Augusto Cesar H. Dantas" <augusto@lps.ufrj.br>
Date: Wed, 1 Oct 2003 09:33:18 -0300 (BRT)
Dear all, (sorry if you had already received this message; I lost the answers...) after having installed MASS files, I am able load the library (by typing library(MASS)) and to see documentation topi
/archives/html/s-news/2003-10/msg00000.html (6,483 bytes)

5. Re: MASS Library. (score: 1)
Author: "Augusto Cesar H. Dantas" <augusto@lps.ufrj.br>
Date: Tue, 7 Oct 2003 14:31:02 -0300 (BRT)
-- Augusto Cesar Heluy Dantas D.Sc. Student at COPPE/UFRJ Rio de Janeiro, Brazil
/archives/html/s-news/2003-10/msg00059.html (16,553 bytes)

6. Problems when importing/exporting data. (score: 1)
Author: m>
Date: Wed, 22 Oct 2003 13:49:56 -0200 (BRST)
ics, forgot the year).
/archives/html/s-news/2003-10/msg00223.html (6,822 bytes)

7. chisq.gof (score: 1)
Author: t>
Date: Thu, 30 Oct 2003 14:50:30 -0200 (BRST)
epartment of Biostatis
/archives/html/s-news/2003-10/msg00287.html (6,459 bytes)

8. MASS library. (score: 1)
Author: "Augusto Cesar H. Dantas" <augusto@lps.ufrj.br>
Date: Tue, 23 Sep 2003 10:08:01 -0300 (BRT)
Dear all, after having installed MASS files, I am able load the library (by typing library(MASS)) and to see documentation topics, but when I try to call any function I get the following message: Pro
/archives/html/s-news/2003-09/msg00138.html (6,702 bytes)

9. Extracting data from an ASCII file. (score: 1)
Author: "Augusto Cesar H. Dantas" <augusto@lps.ufrj.br>
Date: Mon, 4 Aug 2003 14:39:02 -0300 (BRT)
Hi all, I have a 76 character width ASCII file. When I load it within S-plus, it becomes a 1 column data.frame. How could I extract, for example, only the characters from position 23? (I would like t
/archives/html/s-news/2003-08/msg00018.html (6,863 bytes)

10. Principal Components Analysis on factor data. (score: 1)
Author: "Augusto Cesar H. Dantas" <augusto@lps.ufrj.br>
Date: Wed, 27 Aug 2003 13:49:32 -0300 (BRT)
Dear all, does anybody know a way to extract components in a 'YES/NO/DON'T KNOW' data? The data I have consists of answers to a survey, and I would like to analyse the relevance of the different ques
/archives/html/s-news/2003-08/msg00148.html (7,305 bytes)

11. "Error" when importing excel data. (score: 1)
Author: "Augusto Cesar H. Dantas" <augusto@lps.ufrj.br>
Date: Tue, 4 Feb 2003 10:52:39 -0200 (BRST)
Dear Splus users, I have an excel file which I am importing into Splus. The data has a column of dates, which has sometimes the format mm/dd/yyyy, and sometimes mm/dd/yy. The first one is well read i
/archives/html/s-news/2003-02/msg00007.html (6,855 bytes)

12. Importing data downloaded from stockwiz. (score: 1)
Author: "Augusto Cesar H. Dantas" <augusto@lps.ufrj.br>
Date: Wed, 29 Jan 2003 10:42:20 -0200 (BRST)
Dear Splus users, does anybody know whether it is possible to import financial data downloaded from stockwiz, in order to analyse it within Splus? Any hint would be truly appreciated. Thanks for your
/archives/html/s-news/2003-01/msg00162.html (6,666 bytes)

13. Finding Free Financial and Economic Data. (score: 1)
Author: "Augusto Cesar H. Dantas" <augusto@lps.ufrj.br>
Date: Thu, 7 Nov 2002 12:02:22 -0200 (BRST)
Dear S-plus users, does anybody know where I could find free financial and economic data in the web, in order to test it within Splus? Any help would be truly appreciated, Thanks in advance, Augusto.
/archives/html/s-news/2002-11/msg00059.html (6,919 bytes)

14. Fitting. (score: 1)
Author: "Augusto Cesar H. Dantas" <augusto@lps.ufrj.br>
Date: Thu, 8 Aug 2002 11:58:09 -0300 (BRT)
Hi all, this is a simple question: I have a sample generated by z <- rnorm(1000) and want to fit its distribution (histogram) to a normal pdf, having also the fitting parameters (mean, variance etc).
/archives/html/s-news/2002-08/msg00058.html (6,581 bytes)

15. Creating Multipage Graphlets. (score: 1)
Author: "Augusto Cesar H. Dantas" <augusto@lps.ufrj.br>
Date: Wed, 10 Apr 2002 10:49:34 -0300 (BRT)
Dear S-plus users, would you know how may I force different graphs to be within a same java-graph window, in order to create then a multipage graphlet? Every time I plot something new it is addressed
/archives/html/s-news/2002-04/msg00083.html (6,825 bytes)

16. Installing add-ons modules. (score: 1)
Author: "Augusto Cesar H. Dantas" <augusto@lps.ufrj.br>
Date: Mon, 4 Mar 2002 11:27:50 -0300 (BRT)
Dear Splus users, I have purchaised Splus 6 for Linux with the S+GARCH and S+Wavelets add-ons modules (they come as .TZ files in the installation CD). Manuals say nothing about their installation; co
/archives/html/s-news/2002-03/msg00013.html (6,833 bytes)

17. Making examples available. (score: 1)
Author: "Augusto Cesar H. Dantas" <augusto@lps.ufrj.br>
Date: Fri, 15 Mar 2002 10:22:35 -0300 (BRT)
Dear S-plus users, I´ve been studying S-plus language and I´m now planning to make some examples available at the web in order to encourage other students of my lab to use it. Does anybody know how s
/archives/html/s-news/2002-03/msg00117.html (6,682 bytes)

18. Error message. (score: 1)
Author: "Augusto Cesar H. Dantas" <augusto@lps.ufrj.br>
Date: Tue, 19 Mar 2002 14:57:54 -0300 (BRT)
Dear Sir, I help you could help me in the following situation: when I try to attach the library ´s+intro´ (to get built-in data) by typing I get the following error message: Problem in library(+intro
/archives/html/s-news/2002-03/msg00138.html (6,796 bytes)

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