I have a list of isometric structures, and I want to change the same
part of each structure in the list, assigning one element of a vector to
each of these parts.
In other words, I want to achieve the following:
> l <- list( list(a=1,b=2), list(a=3,b=4))
> unlist(lapply(l, "[[", "a"))
[1] 1 3
>
> # This will not actually work
> l[[]]["a"] <- 5:6
>
> unlist(lapply(l, "[[", "a"))
[1] 5 6
I figure mapply is the solution to the problem, and I tried the following:
> mapply( "[<-", l, "a", 5:6)
But the result is not the same shape as the original.
Any thoughts?
Best,
Magnus
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