Re: [R] help with a survplot

2011-05-06 Thread Jabba
Il giorno Thu, 5 May 2011 18:42:11 -0700 (PDT) Frank Harrell ha scritto: > Hi Marco, > > You're welcome. > > The number at risk at given time points is a fairly standard thing to > add to survival plots. I know, but last year, as a "newbye" in biostatistics, i felt the need to read rms book e

Re: [R] help with a survplot

2011-05-05 Thread Frank Harrell
Hi Marco, You're welcome. The number at risk at given time points is a fairly standard thing to add to survival plots. I don't think many people will confuse it with numbers of events. Personally I find shaded confidence bands a bit more helpful but both are useful. Frank Marco Barbàra-2 wro

Re: [R] help with a survplot

2011-05-05 Thread Marco Barbàra
Il giorno Mon, 2 May 2011 07:30:10 -0700 (PDT) Frank Harrell ha scritto: > Please elaborate. It is simply that, generally speaking, i don't like adding numbers to a plot. I eventually realized that riskset cardinality may be a useful indication. However, do not discriminate between events and ce

Re: [R] help with a survplot

2011-05-02 Thread Frank Harrell
Please elaborate. Thanks Frank Marco Barbàra-2 wrote: > > Thank you very much. > > Despite prof. Harrell's support (for whom I feel great > esteem) I still remain doubtful about this feature. > > __ > R-help@r-project.org mailing list > https://stat

Re: [R] help with a survplot

2011-05-02 Thread Marco Barbàra
Thank you very much. Despite prof. Harrell's support (for whom I feel great esteem) I still remain doubtful about this feature. __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://w

Re: [R] help with a survplot

2011-05-01 Thread David Winsemius
On Apr 30, 2011, at 6:06 PM, Thomas Lumley wrote: On Sun, May 1, 2011 at 4:49 AM, David Winsemius > wrote: On Apr 30, 2011, at 10:44 AM, Jabba wrote: Dear useRs, I was asked to produce a survival curve like this: http://www.palug.net/Members/jabba/immaginetta.png/view with the cardinality

Re: [R] help with a survplot

2011-04-30 Thread Thomas Lumley
On Sun, May 1, 2011 at 4:49 AM, David Winsemius wrote: > > On Apr 30, 2011, at 10:44 AM, Jabba wrote: > >> Dear useRs, >> >> I was asked to produce a survival curve like this: >> >> http://www.palug.net/Members/jabba/immaginetta.png/view >> >> with the cardinality of the riskset at the bottom. > >

Re: [R] help with a survplot

2011-04-30 Thread David Winsemius
On Apr 30, 2011, at 10:44 AM, Jabba wrote: Dear useRs, I was asked to produce a survival curve like this: http://www.palug.net/Members/jabba/immaginetta.png/view with the cardinality of the riskset at the bottom. The 2nd sentence of help page for survival::survplot says that is an inbuil

[R] help with a survplot

2011-04-30 Thread Jabba
Dear useRs, I was asked to produce a survival curve like this: http://www.palug.net/Members/jabba/immaginetta.png/view with the cardinality of the riskset at the bottom. I do not like doing it, because it doesn't add any valuable information and because it doesn't discriminate between died and