Function for obtaining an estimate of the standard error of the MLE object `x`.

Function for obtaining an estimate of the standard error of the MLE object `x`.

Usage

# S3 method for class 'mle'
se(x, se.matrix = FALSE, ...)

Arguments

x

the MLE object

se.matrix

if `TRUE`, return the square root of the variance-covariance

...

additional arguments to pass (not used)

Value

Vector of standard errors, or matrix if se.matrix = TRUE, or NULL if variance-covariance is not available.