logLikelihood.6p {vitality} | R Documentation |
Gives the log likelihood of 6-parameter vitality model.
logLikelihood.6p(par, xx1, xx2, NNi)
par |
vector of parameters (r, s, lambda, beta, alpha, gamma) |
xx1 |
xx1 vector |
xx2 |
xx2 vector |
NNi |
survival fractions |
For use in vitality.6p
.
log likelihood