How to use sapply() in R? Explain with an example

687 Asked by LucasBROWN in Data Science , Asked on Jan 7, 2020

Sapply() takes list as an input but returns an output as vectors.Let us explain with an example

x <- list(a = 1, b = 1:3, c = 10:100)

#Compare with above; a named vector, not a list

sapply(x, FUN = length)

a b c

1 3 91

sapply(x, FUN = sum)

a b c

1 6 5005

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