Re: How to drop null elements of a list?

["Richard M. Heiberger" <rmh@temple.edu>]

lst <- list(a=c(1:2), b=3:6)

lst.match <- lst[match(c("a","c"), names(lst), 0)] 



Results
> lst
$a:
[1] 1 2

$b:
[1] 3 4 5 6

> lst.match
$a:
[1] 1 2