Description Usage Arguments Details Value See Also
Gives the log likelihood of 2-process 6 parameter vitality model.
1 | logLikelihood.4p(par, xx1, xx2, NNi)
|
par |
vector of parameter(r, s, lambda, beta) |
xx1 |
xx1 vector |
xx2 |
xx2 vector |
NNi |
survival fractions |
For use in vitality.4p
.
log likelihood
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