derivativeMatrixweibull: Derivative of matrix Weibull
Description
Can be used to increase performance
Usage
derivativeMatrixweibull(h, obs, weight, rcens, rcweight, alpha, S, beta)
Arguments
- h
step-length
- obs
the observations
- weight
weight of the observations
- rcens
censored observations
- rcweight
weight of the censored observations
- alpha
initial probabilities
- S
sub-intensity
- beta
parameter of transformation