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

[Peter Dalgaard]

diggsb at ohsu.edu wrote:
> SSBkb3dubG9hZGVkIHRoZSBzb3VyY2UgZm9yIHN1cnZpdmFsIGFuZCBJIHRoaW5rIEkgZm91bmQg
> dGhlIGJ1Zy4gIEkgaGF2ZSBub3QgdHJpZWQgdG8gYnVpbGQgdGhlIHBhY2thZ2Ugd2l0aCB0aGlz
> IGNoYW5nZSB0byB0ZXN0IGl0LCBidXQganVzdCBkZWZpbmluZyB0aGUgZnVuY3Rpb24gd2l0aCB0
> aGlzIGNoYW5nZSBzZWVtcyB0byB3b3JrLg0KDQpUaGUgY29kZQ0KDQoJaWYgKGNvbmYuaW50PT0n
> b25seScpIHsNCgkgICAgY29uZi5pbnQgPC0gVFJVRQ0KCSAgICBwbG90LnN1cnY8LSBUUlVFDQoJ
> ICAgIH0NCg0KU2hvdWxkIGJlDQoNCglpZiAoY29uZi5pbnQ9PSdvbmx5Jykgew0KCSAgICBjb25m
> LmludCA8LSBUUlVFDQoJICAgIHBsb3Quc3VydjwtIEZBTFNFDQoJICAgIH0NCg0KLS1CcmlhbiBE
> aWdncw0KDQo=
> 
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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             Øster 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