Я бы предложил использовать dplyr
case_when
для создания набора правил, подобных этому.
library(dplyr)
my_format <- function(x) {
case_when(
between(x, 0, 1) ~ ceiling(x / .1 ) * .1,
between(x, 1, 10) ~ ceiling(x / .5 ) * .5,
between(x, 11, 20) ~ ceiling(x / 1 ) * 1,
between(x, 21, 100) ~ ceiling(x / 5 ) * 5,
between(x, 101, 200) ~ ceiling(x / 10 ) * 10,
between(x, 201, 1000) ~ ceiling(x / 50 ) * 50,
between(x, 1001, 2000) ~ ceiling(x / 100) * 100,
between(x, 2001, 10000) ~ ceiling(x / 500) * 500
)
}
my_format(0.44)
#> [1] 0.5
my_format(4.1)
#> [1] 4.5
my_format(4.51)
#> [1] 5
my_format(11.1)
#> [1] 12
my_format(22.5)
#> [1] 25
my_format(121.1)
#> [1] 130
my_format(201.1)
#> [1] 250
my_format(1002.3)
#> [1] 1100
my_format(2001.1)
#> [1] 2500