I take that back. I now get the "correct" result on Darwin R-1.6.1,
the "wrong" result
with Carbon R-1.6.0. On a dual G4 with 10.2.2.
On Thursday, November 14, 2002, at 08:04 AM, Thomas Lumley wrote:
On Wed, 13 Nov 2002, Jan de Leeuw wrote:
No problemo. And, in fact, I get the same results in
the R-1.6.0 Carbon version.
I don't. Could there be a G3/G4 issue?
-thomas
--- Jan
On Wednesday, November 13, 2002, at 02:05 PM, tim@timcohn.com wrote:
Full_Name: Tim Cohn
Version: 1.6.1
OS: Macintosh OS X
Submission from: (NULL) (130.11.34.250)
The Mac version of survreg does not handle left-censored data
correctly (at
least the results are not what I get doing it other ways, and they
are
not the
same as I get running R 1.6.1 in Windows 98se; the Windows 98
results
are
correct). On the windows version of R 1.6.1.
survreg(Surv(c(0,1,-1),c(T,T,F),type='left')~1,dist='gaussian')
Call:
survreg(formula = Surv(c(0, 1, -1), c(T, T, F), type = "left") ~
1, dist = "gaussian")
Coefficients:
(Intercept)
-0.2321569
Scale= 1.161135
Loglik(model)= -4.1 Loglik(intercept only)= -4.1
n= 3
=================
The Macintosh OS X result for the same command is:
survreg(Surv(c(0,1,-1),c(T,T,F),type='left')~1,dist='gaussian')
Call:
survreg(formula = Surv(c(0, 1, -1), c(T, T, F), type = "left") ~
1, dist = "gaussian")
Coefficients:
(Intercept)
-0.7373613
Scale= 1.366282
Loglik(model)= -5.6 Loglik(intercept only)= -5.6
n= 3
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===
Jan de Leeuw; Professor and Chair, UCLA Department of Statistics;
Editor: Journal of Multivariate Analysis, Journal of Statistical
Software
US mail: 9432 Boelter Hall, Box 951554, Los Angeles, CA 90095-1554
phone (310)-825-9550; fax (310)-206-5658; email:
deleeuw@stat.ucla.edu
homepage: http://gifi.stat.ucla.edu
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Thomas Lumley Asst. Professor, Biostatistics
tlumley@u.washington.edu University of Washington, Seattle
^^^^^^^^^^^^^^^^^^^^^^^^
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===
Jan de Leeuw; Professor and Chair, UCLA Department of Statistics;
Editor: Journal of Multivariate Analysis, Journal of Statistical
Software
US mail: 9432 Boelter Hall, Box 951554, Los Angeles, CA 90095-1554
phone (310)-825-9550; fax (310)-206-5658; email:
deleeuw@stat.ucla.edu
homepage: http://gifi.stat.ucla.edu
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No matter where you go, there you are. --- Buckaroo Banzai
http://gifi.stat.ucla.edu/sounds/nomatter.au
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