negLL_function {gompertztrunc} | R Documentation |
Gompertz Negative Log Likelihood Function
Description
Computes negative log likelihood for optimizer
Usage
negLL_function(par, y, X, y.left, y.right, wt)
Arguments
par |
a vector of parameter estimates |
y |
a vector of death ages |
X |
a model matrix |
y.left |
left truncation age |
y.right |
right truncation age |
wt |
weight |
Value
The negative log likelihood of parameter estimates given observed data
[Package gompertztrunc version 0.1.2 Index]