R: Matematika Dasar
Contoh operasi matematika
2 ^ 2
2 * 2
2 / 2
2 + 2
2 - 2
4 * 3 ^ 3
vector -4 s/d 3
-4:3
abs remainder
absolute
abs(-4:3)
remainder
(-4:3) %% 2
(-4:3) %/% 3
sign
sign(-4:3)
round
round(7/18,2)
7/118
options(digits=2) 7/118
floor(0.39)
ceiling(0.39)
summary functions
sum(1:3)
prod(c(3,5,7))
min(c(1,6,-14,-154,0))
max(c(1,6,-14,-154,0))
range(c(1,6,-14,-154,0))