Coding basics
R as a calculator
1 / 200 * 30
## [1] 0.15
#> [1] 0.15
(59 + 73 + 2) / 3
## [1] 44.66667
#> [1] 44.66667
sin(pi / 2)
## [1] 1
#> [1] 1
x <- 3 * 4
assignment symbol
What’s in a name?
Calling functions
Use of TAB
seq(1, 10)
## [1] 1 2 3 4 5 6 7 8 9 10
x <- "hello world"
y <- seq(1, 10, length.out = 5)
y
## [1] 1.00 3.25 5.50 7.75 10.00
#> [1] 1.00 3.25 5.50 7.75 10.00
(y <- seq(1, 10, length.out = 5))
## [1] 1.00 3.25 5.50 7.75 10.00
#> [1] 1.00 3.25 5.50 7.75 10.00
continuation character, +
Printing to screen