Function value at maximum

Returns the function value at (estimated) maximum.

maxValue(x, ...)
# S3 method for class 'maxim'
maxValue(x, ...)

Arguments

x

a statistical model, or a result of maximisation, created by maxLik, maxNR or another optimizer.

...

further arguments for other methods

Value

numeric, the value of the objective function at maximum. In general, it is the last calculated value in case the process did not converge.

Author

Ott Toomet

See also

maxLik, maxNR

Examples

## Estimate the exponential distribution parameter:
t <- rexp(100, 2)
loglik <- function(theta) sum(log(theta) - theta*t)
## Estimate with numeric gradient and numeric Hessian
a <- maxNR(loglik, start=1)
maxValue(a)
#> [1] -29.16572