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1. boxplot like graph (score: 1): Author: "Vumani Dlamini" <dvumani@hotmail.com>; Date: Mon, 16 Dec 2002 14:39:07 +0000; Dear S/R-users, I would like to draw a boxplot-like graph but I only have the summary statistics, thats is the mean, median, and quantiles. How can I reproduce the graph created by "boxplot()". Thank; /archives/html/s-news/2002-12/msg00120.html (6,678 bytes)
2. histogram from summarized data.. (score: 1): Author: "Vumani Dlamini" <dvumani@hotmail.com>; Date: Sat, 28 Dec 2002 16:51:44 +0000; Dear S users: I am trying to perform a diagnostic similar to a logistic regression diagnostic where one compares an empirical distribution of the response after categorizing a continuous covariate. T; /archives/html/s-news/2002-12/msg00165.html (7,985 bytes)
3. Re: histogram from summarized data.. (score: 1): Author: "Vumani Dlamini" <dvumani@hotmail.com>; Date: Sat, 28 Dec 2002 21:00:18 +0000; Thanks a lot. I have just realised I might have to use "barplot" for the problem. Thanks to Prof. Harrell for his reply, but my problem is a bit different from the logistic case but they meet when bi; /archives/html/s-news/2002-12/msg00168.html (10,462 bytes)
4. Using tapply and rank... (score: 1): Author: "Vumani Dlamini" <dvumani@hotmail.com>; Date: Tue, 05 Nov 2002 11:07:41 +0000; I am trying to extract several rows of a matrix with a minimum values for another variable. My data is as follows: test$fitted is a 1400*6 matrix of fitted values test$estimate is an 1400 vector of t; /archives/html/s-news/2002-11/msg00029.html (7,355 bytes)
5. nonparametric proportional hazards (score: 1): Author: "Vumani Dlamini" <dvumani@hotmail.com>; Date: Tue, 02 Apr 2002 09:40:25 +0000; Is there anything like "residuals" in non-parametric proportional hazards estimation? I have looked through some of the help files for, "survnnet", "hazcov", and "sm2" but never seem to get a functio; /archives/html/s-news/2002-04/msg00009.html (6,898 bytes)
6. style file for journal (score: 1): Author: "Vumani Dlamini" <dvumani@hotmail.com>; Date: Tue, 09 Apr 2002 09:54:56 +0000; I am looking for a latex style file for submitting to statistics in Thanking you as always. Vumani _________________________________________________________________ Send and receive Hotmail on your m; /archives/html/s-news/2002-04/msg00072.html (6,430 bytes)
7. prototype GAM (score: 1): Author: "Vumani Dlamini" <dvumani@hotmail.com>; Date: Wed, 17 Apr 2002 08:29:54 +0000; I am trying to write a prototype GAM logit program, to aid me understand the "backfit" algorithm. The program is given below, but it does not converge whilst the one included with S-Plus does, and no; /archives/html/s-news/2002-04/msg00130.html (7,713 bytes)
8. Fortran 90 (score: 1): Author: "Vumani Dlamini" <dvumani@hotmail.com>; Date: Tue, 23 Apr 2002 11:44:45 +0000; Is there a way to convert a FORTRAN 90 program to C/FORTRAN 77? I would like to recompile my program (which works very well in S+) so that it also works in R, but seemingly my DLL has problems in R t; /archives/html/s-news/2002-04/msg00175.html (6,661 bytes)
9. differences in likelihood in "multinom" and "glm" (score: 1): Author: "Vumani Dlamini" <dvumani@hotmail.com>; Date: Fri, 22 Feb 2002 10:04:05 +0000; r; /archives/html/s-news/2002-02/msg00195.html (10,527 bytes)
10. imputation question (score: 1): Author: "Vumani Dlamini" <dvumani@hotmail.com>; Date: Tue, 29 Jan 2002 12:37:59 +0000; I am trying to use the package MIX from Prof. Joe Schafer's missing data library and would like to know whether the imputation can proceed without the "margins" vector. I seem not to understand the r; /archives/html/s-news/2002-01/msg00196.html (6,829 bytes)
11. multiple imputation? (score: 1): Author: "Vumani Dlamini" <dvumani@hotmail.com>; Date: Thu, 31 Jan 2002 12:00:44 +0000; I would like to perform multiple imputation using the MIX package written by Schafer. Have read most references but still have problems understanding how to create the "margins" vector when using "ec; /archives/html/s-news/2002-01/msg00217.html (6,658 bytes)
12. generating correlated binary random variables (score: 1): Author: "Vumani Dlamini" <dvumani@hotmail.com>; Date: Wed, 01 Aug 2001 13:28:57 +0000; I would like to that all those who responded to my request. My question was: I would like to sample correlated binary variables, which have a different probability of success. All the response were h; /archives/html/s-news/2001-08/msg00002.html (8,367 bytes)
13. multinom and boot (score: 1): Author: "Vumani Dlamini" <dvumani@hotmail.com>; Date: Fri, 03 Aug 2001 12:22:49 +0000; Has anyone ever attempted to perform a non-parametric bootstrap, for a model fitted with multinom, if so I would be glad to know how they did it (a program if possible). Would also be glad if I could; /archives/html/s-news/2001-08/msg00027.html (6,659 bytes)
14. sampling correlated binary variables (score: 1): Author: "Vumani Dlamini" <dvumani@hotmail.com>; Date: Thu, 05 Jul 2001 11:43:50 -0000; I would like to sample correlated binary variables, which have a different probability of success. "rbinom" gives me independent variables, and sampling the first covariate, and then using it as a co; /archives/html/s-news/2001-07/msg00024.html (7,172 bytes)
15. Collated responses to "dll.load problem" (score: 1): Author: "Vumani Dlamini" <dvumani@hotmail.com>; Date: Mon, 18 Jun 2001 08:25:01 -0000; Thanks to all the S-users who helped me conquer the folowing problem. I am particularly indebted to Matt Calder, who even supplied me with a sample code of using the FORTRAN/C interface. Using DUMPBI; /archives/html/s-news/2001-06/msg00149.html (10,601 bytes)
16. Stack overflow (score: 1): Author: "Vumani Dlamini" <dvumani@hotmail.com>; Date: Thu, 21 Jun 2001 09:24:32 -0000; I am using the FORTRAN interface, and have successfully loaded and used my code for a small dataset. The problem I am now having is that once I increase the size of my dataset I get the message (in F; /archives/html/s-news/2001-06/msg00189.html (6,968 bytes)
17. dll.load problem (score: 1): Author: "Vumani Dlamini" <dvumani@hotmail.com>; Date: Fri, 25 May 2001 10:58:14 -0000; I am trying to load a "dll" in S-Plus 2000. I compiled the my code using Compaq Visual Fortran 6, and now I am unable to use the code in S. The name of my SUBROUTINE in Fortran is "bmlogit", and the; /archives/html/s-news/2001-05/msg00276.html (7,341 bytes)
18. Multinomial deviates,, (score: 1): Author: "Vumani Dlamini" <dvumani@hotmail.com>; Date: Wed, 04 Apr 2001 14:41:51 -0000; Is there any program that implements sampling from a multinomial distribution, either in S or in R. Thanks Vumani Dlamini _________________________________________________________________________ Get; /archives/html/s-news/2001-04/msg00042.html (6,471 bytes)
19. msg00079.html (score: 1): Author: "Vumani Dlamini" <dvumani@hotmail.com>; Date: Fri, 06 Apr 2001 13:05:13 -0000; I have a function which returns one number, which I store in a vector "vec". I want to evaluate this function many times, and found that "for" is inefficient, thus I was trying to use For. Below are; /archives/html/s-news/2001-04/msg00079.html (6,672 bytes)
20. Element wise multiplication (score: 1): Author: "Vumani Dlamini" <dvumani@hotmail.com>; Date: Mon, 26 Mar 2001 10:08:34 -0000; I would like to perform an element wise multiplication by row of two matrices(A*B), A and B being matrices with equal number of rows, and the resulting matrix having the number of rows of A or B but; /archives/html/s-news/2001-03/msg00200.html (6,887 bytes)

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