17%
07.06.2019
packages.
Listing 4
Two Packages, One Task
> # base
> dat <- data.frame(a = c(10, 11, 12),
+ b = c(4, 5, 6),
+ colour = c("blue", "green", "yellow
17%
17.05.2017
, 5 ) / ( 8, 5 ) }
DATA {
(0,0): 0, 1, 2, 3, 4,
(1,0): 5, 6, 7, 8, 9,
(2,0): 10, 11, 12, 13, 14,
(3,0): 15, 16, 17, 18, 19,
(4,0): 20, 21, 22, 23, 24,
(5,0): 25, 26, 27, 28, 29,
(6