From ripley at stats.ox.ac.uk  Mon Oct 20 19:28:30 2008
From: ripley at stats.ox.ac.uk (Prof Brian Ripley)
Date: Mon, 20 Oct 2008 18:28:30 +0100 (BST)
Subject: [Rd] (PR#13180) Wrong behavior of lines.survfit for
 conf.int="only"
In-Reply-To: <48FCB2B3.7060807@biostat.ku.dk>
References: <20081020155505.22BD5283416C@mail.pubhealth.ku.dk>
	<48FCB2B3.7060807@biostat.ku.dk>
Message-ID: <alpine.LFD.2.00.0810201826140.24959@gannet.stats.ox.ac.uk>

Note that survival is a contributed package: only the maintainer can alter 
it (or at least, if someone else does the change will get lost -- it has 
happened before).  So it is not useful to report on it on R-bugs (see the 
FAQ and the posting guide).


On Mon, 20 Oct 2008, Peter Dalgaard wrote:

> diggsb at ohsu.edu wrote:
>> SSBkb3dubG9hZGVkIHRoZSBzb3VyY2UgZm9yIHN1cnZpdmFsIGFuZCBJIHRoaW5rIEkgZm91bmQg
>> dGhlIGJ1Zy4gIEkgaGF2ZSBub3QgdHJpZWQgdG8gYnVpbGQgdGhlIHBhY2thZ2Ugd2l0aCB0aGlz
>> IGNoYW5nZSB0byB0ZXN0IGl0LCBidXQganVzdCBkZWZpbmluZyB0aGUgZnVuY3Rpb24gd2l0aCB0
>> aGlzIGNoYW5nZSBzZWVtcyB0byB3b3JrLg0KDQpUaGUgY29kZQ0KDQoJaWYgKGNvbmYuaW50PT0n
>> b25seScpIHsNCgkgICAgY29uZi5pbnQgPC0gVFJVRQ0KCSAgICBwbG90LnN1cnY8LSBUUlVFDQoJ
>> ICAgIH0NCg0KU2hvdWxkIGJlDQoNCglpZiAoY29uZi5pbnQ9PSdvbmx5Jykgew0KCSAgICBjb25m
>> LmludCA8LSBUUlVFDQoJICAgIHBsb3Quc3VydjwtIEZBTFNFDQoJICAgIH0NCg0KLS1CcmlhbiBE
>> aWdncw0KDQo=
>> 
>> ______________________________________________
>> R-devel at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-devel
>
> Argh! Jitterbug...must...die...
>
> [pd at titmouse2]$ base64 -d
> SSBkb3dubG9hZGVkIHRoZSBzb3VyY2UgZm9yIHN1cnZpdmFsIGFuZCBJIHRoaW5rIEkgZm91bmQg
> ....
> aWdncw0KDQo=
>
> I downloaded the source for survival and I think I found the bug.  I have not 
> tried to build the package with this change to test it, but just defining the 
> function with this change seems to work.
>
> The code
>
> 	if (conf.int=='only') {
> 	    conf.int <- TRUE
> 	    plot.surv<- TRUE
> 	    }
>
> Should be
>
> 	if (conf.int=='only') {
> 	    conf.int <- TRUE
> 	    plot.surv<- FALSE
> 	    }
>
> --Brian Diggs
>
>
>
>
> --
>   O__  ---- Peter Dalgaard             ?ster Farimagsgade 5, Entr.B
>  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
> (*) \(*) -- University of Copenhagen   Denmark      Ph:  (+45) 35327918
> ~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)              FAX: (+45) 35327907
>
> ______________________________________________
> R-devel at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel
>

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595


[Rd] (PR#13180) Wrong behavior of lines.survfit for conf.int="only"
Prof Brian Ripley