logLikelihood.4p {vitality} | R Documentation |
Log likelihood of 2-process 4-parameter model
Description
Gives the log likelihood of 2-process 6 parameter vitality model.
Usage
logLikelihood.4p(par, xx1, xx2, NNi)
Arguments
par |
vector of parameter(r, s, lambda, beta) |
xx1 |
xx1 vector |
xx2 |
xx2 vector |
NNi |
survival fractions |
Details
For use in vitality.4p
.
Value
log likelihood
See Also
[Package vitality version 1.3 Index]