rlply {plyr} | R Documentation |
Evalulate expression n times then combine results into a list
rlply(.n, .expr, .progress = "none")
.n |
number of times to evaluate the expression |
.expr |
expression to evaluate |
.progress |
name of the progress bar to use, see create_progress_bar |
This function runs an expression multiple times, and combines the
result into a list. If there are no results, then this function will return
a list of length 0 (list()
). This function is equivalent to
replicate
, but will always return results as a list.
@keyword manip
@arguments number of times to evaluate the expression
@arguments expression to evaluate
@arguments name of the progress bar to use, see create_progress_bar
@value list of results
list of results
Hadley Wickham <h.wickham@gmail.com>
mods <- rlply(100, lm(y ~ x, data=data.frame(x=rnorm(100), y=rnorm(100)))) hist(laply(mods, function(x) summary(x)$r.squared))