Question
> x <- list(a = 1:4, b = rnorm(10), c = rnorm(20, 1), d = rnorm(100, 5))
> sapply(x, mean)a.
a b c d
2.500000 -0.251483 1.481246 4.968715
b.
a b c d
2.500000 -3.251483 2.481246 5.968715
c.
a b c d
3.500000 0.251483 1.481246 4.968715
d.
Error
Posted under Scoping Rules and Debugging R Programming
2.500000 -0.251483 1.481246 4.968715
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