cut_interval
makes n
groups with equal range, cut_number
makes n
groups with (approximately) equal numbers of observations;
cut_width
makes groups of width width
.
cut_interval(x, n = NULL, length = NULL, ...) cut_number(x, n = NULL, ...) cut_width(x, width, center = NULL, boundary = NULL, closed = c("right", "left"))
x | numeric vector |
---|---|
n | number of intervals to create, OR |
length | length of each interval |
... | Arguments passed on to
|
width | The bin width. |
center, boundary | Specify either the position of edge or the center of a bin. Since all bins are aligned, specifying the position of a single bin (which doesn't need to be in the range of the data) affects the location of all bins. If not specified, uses the "tile layers algorithm", and sets the boundary to half of the binwidth. To center on integers, |
closed | One of |
table(cut_interval(1:100, 10))#> #> [1,10.9] (10.9,20.8] (20.8,30.7] (30.7,40.6] (40.6,50.5] (50.5,60.4] #> 10 10 10 10 10 10 #> (60.4,70.3] (70.3,80.2] (80.2,90.1] (90.1,100] #> 10 10 10 10table(cut_interval(1:100, 11))#> #> [1,10] (10,19] (19,28] (28,37] (37,46] (46,55] (55,64] (64,73] #> 10 9 9 9 9 9 9 9 #> (73,82] (82,91] (91,100] #> 9 9 9table(cut_number(runif(1000), 10))#> #> [0.000382,0.0947] (0.0947,0.181] (0.181,0.302] (0.302,0.407] #> 100 100 100 100 #> (0.407,0.498] (0.498,0.604] (0.604,0.728] (0.728,0.814] #> 100 100 100 100 #> (0.814,0.9] (0.9,1] #> 100 100table(cut_width(runif(1000), 0.1))#> #> [-0.05,0.05] (0.05,0.15] (0.15,0.25] (0.25,0.35] (0.35,0.45] (0.45,0.55] #> 48 110 98 96 110 99 #> (0.55,0.65] (0.65,0.75] (0.75,0.85] (0.85,0.95] (0.95,1.05] #> 100 90 111 93 45table(cut_width(runif(1000), 0.1, boundary = 0))#> #> [0,0.1] (0.1,0.2] (0.2,0.3] (0.3,0.4] (0.4,0.5] (0.5,0.6] (0.6,0.7] (0.7,0.8] #> 89 110 102 92 103 97 101 112 #> (0.8,0.9] (0.9,1] #> 88 106table(cut_width(runif(1000), 0.1, center = 0))#> #> [-0.05,0.05] (0.05,0.15] (0.15,0.25] (0.25,0.35] (0.35,0.45] (0.45,0.55] #> 48 95 113 117 92 90 #> (0.55,0.65] (0.65,0.75] (0.75,0.85] (0.85,0.95] (0.95,1.05] #> 97 108 107 83 50