mle {stats4} R Documentation 
Maximum Likelihood Estimation
Description
Estimate parameters by the method of maximum likelihood. 
Usage
mle(minuslogl, start = formals(minuslogl), method = "BFGS",
    fixed = list(), ...)
Arguments
minuslogl Function to calculate negative log-likelihood. 
start Named list. Initial values for optimizer. 
method Optimization method to use. See optim. 
fixed Named list. Parameter values to keep fixed during optimization. 
... Further arguments to pass to optim. 
看下是这个吗