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Total 6 documents matching your query.

1. [S] cox proportional models (score: 1)
Author: Chung-chi Chang <sph1606@utsph.sph.uth.tmc.edu>
Date: Tue, 23 Feb 1999 15:04:54 -0600
Dear S-users: I tried to do the estimation from cox proportional hazards models by specifying the baseline intensity follows "Weibull" forms. I don't see "coxph" codes in s-plus can do that, can't it
/archives/html/s-news/1999-02/msg00121.html (7,589 bytes)

2. [S] survreg question (score: 1)
Author: Chung-chi Chang <sph1606@utsph.sph.uth.tmc.edu>
Date: Thu, 25 Feb 1999 11:36:26 -0600
Dear S-users: I tried to use survreg to obtain the estimates of the scale parameter of the Weibull form on the baseline intensity. But I get some error message from my codes: Error in C("survreg_g",;
/archives/html/s-news/1999-02/msg00150.html (7,600 bytes)

3. [S] generate graphs from simulated data (score: 1)
Author: Chung-chi Chang <sph1606@utsph.sph.uth.tmc.edu>
Date: Mon, 19 Oct 1998 11:44:20 -0500
]
/archives/html/s-news/1998-10/msg00122.html (8,299 bytes)

4. [S] weighted regression plots (score: 1)
Author: Chung-chi Chang <sph1606@utsph.sph.uth.tmc.edu>
Date: Tue, 25 Aug 1998 08:37:12 -0500
Dear S-users: This is a question regarding the plots. I want to plot the graphs for weighted regression outcome variable vs the independent variable with the weighted regression lines on the graph. H
/archives/html/s-news/1998-08/msg00183.html (7,419 bytes)

5. [S] Source of the reference (score: 1)
Author: Chung-chi Chang <sph1606@utsph.sph.uth.tmc.edu>
Date: Fri, 10 Jul 1998 14:10:02 -0500
Dear all: I am looking for the source of the reference which didn't get listed on the back of the chapter on the (on-line) manuals from S-PLUS 4.0. The paragraph that I have questions about is on pag
/archives/html/s-news/1998-07/msg00082.html (7,673 bytes)

6. RE: [S] Multiple events (score: 1)
Author: Chung-chi Chang <sph1606@utsph.sph.uth.tmc.edu>
Date: Mon, 13 Jul 1998 13:44:24 -0500
Dear Dr. Therneau: Thanks for your information about the reference of the multiple events Cox model. I found that article already. Thanks a lot! Chung-chi -- Chung-chi Chang, Doctoral Candidate in Bi
/archives/html/s-news/1998-07/msg00099.html (8,617 bytes)

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