On 19/06/2009, at 9:25 AM, Carl Witthoft wrote:
Let's say I have, for some reason, a bunch of scalars (i.e.
single-valued variables) and I want to merge them all into a single
vector of values. Can someone recommend a better function, or simpler
way, to do so than the following?
Suppose my scalars' names are foo1, foo2, foo3, foo1high, foo2high,
foo3lo2, etc. Then I can do:
ls(pat='foo')->thels
mapply(function(x) eval(as.name(thels[x])),seq(1:length(thels)))-
>vecfoo
I was hoping for some way to avoid creating a function and an *apply
call. Conceptually, eval(as.name(c(thels))) which of course
doesn't work.
Does
do.call(c,thels)
work?
cheers,
Rolf Turner
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