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1. [S] Reading data with read.table (score: 1): Author: Haicheng Tang <haicheng@umich.edu>; Date: Mon, 10 Apr 2000 02:59:25 -0400 (EDT); Dear Splus users, Sorry to bother you with what might be a basic question. I tried to read a data file with 3 columns by read.table sdata<-read.table('c:/Temp/data.txt', header=F, as.is=T) and keep t; /archives/html/s-news/2000-04/msg00076.html (8,157 bytes)
2. [S] Reading data with read.table (fwd) (score: 1): Author: Haicheng Tang <haicheng@umich.edu>; Date: Mon, 10 Apr 2000 03:26:28 -0400 (EDT); Sorry I forgot to mention I'm using Splus4.5 on PC. -HT Dear Splus users, Sorry to bother you with what might be a basic question. I tried to read a data file with 3 columns by read.table sdata<-read; /archives/html/s-news/2000-04/msg00077.html (7,877 bytes)
3. [S] Where are the actions in coxph? (score: 1): Author: Haicheng Tang <haicheng@umich.edu>; Date: Mon, 6 Sep 1999 22:17:33 -0400 (EDT); Hi all, I checked how the function coxph was written (attached). I'm very surprised to see it's so simple and can't find any key action (maximizing partial likelihood). All I can see are some adminis; /archives/html/s-news/1999-09/msg00046.html (7,379 bytes)
4. [S] Checking singularity of matrix (score: 1): Author: Haicheng Tang <haicheng@umich.edu>; Date: Tue, 1 Jun 1999 12:22:45 -0400 (EDT); Dear all, Does anyone know an easy way to check the singularity of a matrix before inverting it? Thanks in advance! Best, -- Haicheng Tang | Dept. of Biostatistics | 1420 Washington Heights | Ann Arb; /archives/html/s-news/1999-06/msg00005.html (7,440 bytes)
5. [S] simple dynamic loading example (score: 1): Author: Haicheng Tang <haicheng@umich.edu>; Date: Thu, 10 Jun 1999 00:16:05 -0400 (EDT); Dear Splus users, I'm trying a simple dynamic loading example with Version 3.4 Release 1 for Sun SPARC, SunOS 5.3, but couldn't get it working. First, when I use "cc -c my_sum.c" to compile the C pro; /archives/html/s-news/1999-06/msg00082.html (7,528 bytes)
6. [S] dynamic loading:how to use library (score: 1): Author: Haicheng Tang <haicheng@umich.edu>; Date: Sat, 12 Jun 1999 15:57:22 -0400 (EDT); Hi there, To dynamically load C, I find when I use "gcc -c *.c" to generate the object file (*.o), the libraries (e.g., math.h) are not linked. So while Splus load the object file, it finds the funct; /archives/html/s-news/1999-06/msg00111.html (7,297 bytes)
7. [S] save internal variable (score: 1): Author: Haicheng Tang <haicheng@umich.edu>; Date: Sat, 3 Apr 1999 01:54:30 -0500 (EST); Dear Splus users, Generally a variable used in a function is internal and will not be saved in .Data once the function stops. I wonder if anyone can tell me how to save some variable(s) in a function; /archives/html/s-news/1999-04/msg00018.html (7,535 bytes)
8. [S] Checking space in program (score: 1): Author: Haicheng Tang <haicheng@umich.edu>; Date: Fri, 9 Apr 1999 18:37:53 -0400 (EDT); Dear Splus users, I'm using Splus 3.4 in Unix. I wonder if anyone can tell me how to check whether there's extra space at the end of each line in a program quickly. I use pico but it doesn't seem to; /archives/html/s-news/1999-04/msg00073.html (7,689 bytes)
9. [S] kriging on points with observations (score: 1): Author: Haicheng Tang <haicheng@umich.edu>; Date: Sun, 11 Apr 1999 17:23:08 -0400 (EDT); Hi all, I used "krige" in Splus to do kriging and "predict.krige" to predict values on a fixed set of points, including those with observed value, for whcih all of the predicted value are the same as; /archives/html/s-news/1999-04/msg00078.html (8,069 bytes)
10. Re: [S] kriging on points with observations (score: 1): Author: Haicheng Tang <haicheng@umich.edu>; Date: Sun, 11 Apr 1999 22:42:59 -0400 (EDT); Dear Prof. Ripley, Thanks for your reply. I did include a nugget effect. My understanding is there does exist some ambiguity about the definition of kriging: traditionally it means to predict a reali; /archives/html/s-news/1999-04/msg00081.html (10,521 bytes)
11. [S] Changing Splus function during usage (score: 1): Author: Haicheng Tang <haicheng@umich.edu>; Date: Tue, 27 Apr 1999 15:22:12 -0400 (EDT); Hi all, I wonder if anyone can tell me what error it might cause to change the source file of a Splus function while another program that calls it (with source("function_file") at the beginning of th; /archives/html/s-news/1999-04/msg00255.html (7,723 bytes)
12. [S] Q: tracking time in Splus (score: 1): Author: r.jp>; Date: Sun, 7 Mar 1999 12:04:03 -0500 (EST); Hi there, Does anyone know how to track the time running an Splus program takes? I want to know this to figure out how much time a big simulation program will take by running a smaller version 1st. T; /archives/html/s-news/1999-03/msg00083.html (7,717 bytes)
13. [S] Re: Tracking Splus running time (score: 1): Author: .edu>; Date: Sun, 7 Mar 1999 12:15:07 -0500 (EST); Hi there, Does anyone know how to track the time running an Splus program takes? I want to know this to figure out how much time a big simulation program will take by running a smaller version 1st. T; /archives/html/s-news/1999-03/msg00084.html (7,702 bytes)
14. [S] Monitor program & distinguish variables (score: 1): Author: .com>; Date: Mon, 8 Mar 1999 01:26:13 -0500 (EST); Dear all, I'm using Splus 3.4 release 1 on workstation and have two questions: 1. How to monitor an Splus programming running in background? Suppose the program is to compute some quantities and put; /archives/html/s-news/1999-03/msg00087.html (8,371 bytes)
15. [S] spatial module (score: 1): Author: u.hk>; Date: Sun, 21 Mar 1999 18:09:02 -0500 (EST); Dear Splus uers, I'm trying to use Splus spatial module in Splus 3.4 release 1 on unix. But my system doesn't have it. Is there any way to get around it, say, downloading something from the web? Best; /archives/html/s-news/1999-03/msg00214.html (7,530 bytes)
16. [S]: Confusing error message (score: 1): Author: Haicheng Tang <haicheng@umich.edu>; Date: Fri, 12 Feb 1999 01:33:51 -0500 (EST); Can someone tell me what the following error message means, or where to find its meaning? source("my2.s") Error: No data to interpret as logical value: if(is.na(res)) { error <- 1 res <- 0 . . . Dump; /archives/html/s-news/1999-02/msg00065.html (7,877 bytes)
17. [S] Error with Fortran subroutine (score: 1): Author: Haicheng Tang <haicheng@umich.edu>; Date: Thu, 25 Feb 1999 23:53:58 -0500 (EST); Dear all, I wonder if someone can tell me where to find details about errors in Fortran subroutines Splus called. For example: Error in .Fortran(if(!cmplx) "dqr" else "zqr",: subroutine dqr: 4 missin; /archives/html/s-news/1999-02/msg00156.html (8,198 bytes)
18. [S] Loosen criteria for matrix singularity (score: 1): Author: Haicheng Tang <haicheng@umich.edu>; Date: Fri, 26 Feb 1999 01:18:21 -0500 (EST); Dear all, The following matrix looks OK for me. But Splus considers it singular when I tried to invert it. Is there any way to loosen its criteria for singularity? Any help is appreciated! [,1] [,2]; /archives/html/s-news/1999-02/msg00157.html (8,268 bytes)

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