R: Given a function class, find correspoding S4 method

method_from_call {pryr} | R Documentation

## Given a function class, find correspoding S4 method

### Description

Given a function class, find correspoding S4 method

### Usage

    method_from_call(call, env = parent.frame())

### Arguments

`call` | unquoted function call
`env` | environment in which to look for function definition

### Examples

    library(stats4)

    # From example(mle)
    y <- c(26, 17, 13, 12, 20, 5, 9, 8, 5, 4, 8)
    nLL <- function(lambda) -sum(dpois(y, lambda, log = TRUE))
    fit <- mle(nLL, start = list(lambda = 5), nobs = length(y))

    method_from_call(summary(fit))
    method_from_call(coef(fit))
    method_from_call(length(fit))

[Package pryr version 0.1.2 Index]