Excuse me for what I'm sure is a stupid beginner's question, but I've
given up trying to find the answer to this question from the help,
RSiteSearch, or any of the usual places.
I have a list that looks like this:
>myList
$first
[1] "--" "18" "8" "32"
$second
[1] "--" "--" "40" "54"
I want a straightforward way to replace "--" with NA so that the list
looks like:
>myList
$first
[1] NA "18" "8" "32"
$second
[1] NA NA "40" "54"
Now I know I can do something like:
myList$first <- sub("--",NA,myList$first)
but the real list has lots of components. So is there some easy way to
do something like:
myList <- applier(myList,sub,"--",NA)
where "applier" is a function that will do what I want? I tried using
lapply, sapply, etc. without luck.
Thank,
Marsh
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