hie I know this might not be the right forum but can anyone tell me what parameters i can possibly use to generate proportional survival curves using rweibull(n,shape,scale). if I plot the curves and they do not cross does it neccesarily mean that they are proprotional. thanks __________________________________________________ [[alternative HTML version deleted]]
On Tue, 30 Oct 2007, raymond chiruka wrote:> hie > > I know this might not be the right forum but can anyone tell me what > parameters i can possibly use to generate proportional survival curves > using rweibull(n,shape,scale).For the Weibull family, curves with different scale and the same shape have proportional hazards> if I plot the curves and they do not cross does it neccesarily mean > that they are proprotional.No. -thomas