R: Methods for Function 'update' in Package 'stats4'

update-methods {stats4}

R Documentation

Methods for Function 'update' in Package 'stats4'

Description

Update "mle" objects.

Usage

## S4 method for signature 'mle':
update(object, ..., evaluate = TRUE)

Arguments

`object`	An existing fit.
`...`	Additional arguments to the call, or arguments with changed values. Use `name=NULL` to remove the argument `name`.
`evaluate`	If true evaluate the new call else return the call.

Methods

object = "ANY": Generic function: see update.
object = "mle": Update a fit.

Examples

x <- 0:10
y <- c(26, 17, 13, 12, 20, 5, 9, 8, 5, 4, 8)
ll <- function(ymax=15, xhalf=6)
    -sum(stats::dpois(y, lambda=ymax/(1+x/xhalf), log=TRUE))
fit <- mle(ll)
## note the recorded call contains ..1, a problem with S4 dispatch
update(fit, fixed=list(xhalf=3))

[Package stats4 version 2.2.1 Index]