Last n value taking NA's into account

Source: R/lana.R

If all values are NA returns NA

lana(x, n = 1, na_rm = TRUE)

Arguments

x

Object with values

n

Position to return, default is 1 (last). If zero or less it will be corrected to 1.

na_rm

If TRUE or T removes the NA's. Default value is T.

Examples

lana(c(5, 1, 2, 3, NA))
#> [1] 3
lana(c(NA, 1, 2, 3, NA), na_rm = FALSE)
#> [1] NA
lana(c(5, 1, 2, 3, NA), n = 3)
#> [1] 1
lana(c(5, 1, 2, 3, NA), n = 3)
#> [1] 1
lana(c(NA, NA, NA), na_rm = TRUE)
#> [1] NA
lana(c(NA, NA, NA), na_rm = FALSE)
#> [1] NA