Question
> x <- list(a = matrix(1:4, 2, 2), b = matrix(1:6, 3, 2))
> lapply(x, function(elt) { elt[,1] })a.
$a
[1] 1 2
$b
[1] 1 2 3
b.
$a
[1] 1 2 3
$b
[1] 1 2 3
c.
$a
[1] 1 2 3
$b
[1] 1 2
d.
Error
Posted under R Programming
[1] 1 2
$b
[1] 1 2 3
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