Descending order

Source: R/desc.r

Transform a vector into a format that will be sorted in descending order. This is useful within arrange().

desc(x)

Arguments

x

vector to transform

Examples

desc(1:10)
#>  [1]  -1  -2  -3  -4  -5  -6  -7  -8  -9 -10
desc(factor(letters))
#>  [1]  -1  -2  -3  -4  -5  -6  -7  -8  -9 -10 -11 -12 -13 -14 -15 -16 -17 -18 -19
#> [20] -20 -21 -22 -23 -24 -25 -26

first_day <- seq(as.Date("1910/1/1"), as.Date("1920/1/1"), "years")
desc(first_day)
#>  [1] 21915 21550 21185 20819 20454 20089 19724 19358 18993 18628 18263

starwars %>% arrange(desc(mass))
#> # A tibble: 87 x 13
#>    name  height  mass hair_color skin_color eye_color birth_year gender
#>    <chr>  <int> <dbl> <chr>      <chr>      <chr>          <dbl> <chr> 
#>  1 Jabb…    175  1358 <NA>       green-tan… orange         600   herma…
#>  2 Grie…    216   159 none       brown, wh… green, y…       NA   male  
#>  3 IG-88    200   140 none       metal      red             15   none  
#>  4 Dart…    202   136 none       white      yellow          41.9 male  
#>  5 Tarf…    234   136 brown      brown      blue            NA   male  
#>  6 Owen…    178   120 brown, gr… light      blue            52   male  
#>  7 Bossk    190   113 none       green      red             53   male  
#>  8 Chew…    228   112 brown      unknown    blue           200   male  
#>  9 Jek …    180   110 brown      fair       blue            NA   male  
#> 10 Dext…    198   102 none       brown      yellow          NA   male  
#> # … with 77 more rows, and 5 more variables: homeworld <chr>, species <chr>,
#> #   films <list>, vehicles <list>, starships <list>