This help topic is for R version 2.9.0. For the current version of R, try https://stat.ethz.ch/R-manual/R-patched/library/base/html/eapply.html
eapply {base}R Documentation

Apply a Function over values in an environment

Description

eapply applies FUN to the named values from an environment and returns the results as a list. The user can request that all named objects are used (normally names that begin with a dot are not). The output is not sorted and no parent environments are searched.

Usage

eapply(env, FUN, ..., all.names = FALSE)

Arguments

env

environment to be used.

FUN

the function to be applied, found via match.fun. In the case of functions like +, %*%, etc., the function name must be backquoted or quoted.

...

optional arguments to FUN.

all.names

a logical indicating whether to apply the function to all values

See Also

lapply.

Examples

require(utils); require(stats)

env <- new.env()
env$a <- 1:10
env$beta <- exp(-3:3)
env$logic <- c(TRUE,FALSE,FALSE,TRUE)
# what have we there?
eapply(env, str)

# compute the mean for each list element
eapply(env, mean)
# median and quartiles for each list element
eapply(env, quantile, probs = 1:3/4)
eapply(env, quantile)

[Package base version 2.9.0 ]