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 2.6.2 Index]