maxLik (version 1.5-2.1)

tidy.maxLik: tidy and glance methods for maxLik objects

Description

These methods return summary information about the estimated model. Both require the tibble package to be installed.

Usage

# S3 method for maxLik
tidy(x,  ...)
# S3 method for maxLik
glance(x, ...)

Value

For tidy(), a tibble with columns:

term

The name of the estimated parameter (parameters are sequentially numbered if names missing).

estimate

The estimated parameter.

std.error

The standard error of the estimate.

statistic

The \(z\)-statistic of the estimate.

p.value

The \(p\)-value.

This is essentially the same table as summary-method prints, just in form of a tibble (data frame).

For glance(), a one-row tibble with columns:

df

The degrees of freedom of the model.

logLik

The log-likelihood of the model.

AIC

Akaike's Information Criterion for the model.

nobs

The number of observations, if this is available, otherwise NA.

Arguments

x

object of class 'maxLik'.

...

Not used.

Author

David Hugh-Jones

See Also

The functions tidy and glance in package generics, and summary to display the “standard” summary information.

Examples

## Example with a single parameter
t <- rexp(100, 2)
loglik <- function(theta) log(theta) - theta*t
a <- maxLik(loglik, start=2)
tidy(a)
glance(a)
## Example with a parameter vector
x <- rnorm(100)
loglik <- function(theta) {
   dnorm(x, mean=theta[1], sd=theta[2], log=TRUE)
}
a <- maxLik(loglik, start=c(mu=0, sd=1))
tidy(a)
glance(a)