param_scale {survmixer} | R Documentation |
returns the value of the scale parameter a given the survival (s) at time t
param_scale(s, t, shape = 1)
s |
survival rate at time t |
t |
time at which the survival distribution is evaluated |
shape |
shape parameter for the Weibull distribution |
Variance computation
Weibull parametrization: S(x) = exp(- (x/a)^b)
Marta Bofill Roig