Turns a dist object to a "long" table

Turns a dist object from a "wide" to a "long" table

dist_long(d, ...)

Arguments

d

a distance object

...

not used

Value

A data.frame with two columns of rows and column names of the dist object and a third column (distance) with the distance between the two.

Examples

data(iris)
iris[2:6, -5] %>%
  dist() %>%
  data.matrix()
#>           2        3         4         5         6
#> 2 0.0000000 0.300000 0.3316625 0.6082763 1.0908712
#> 3 0.3000000 0.000000 0.2449490 0.5099020 1.0862780
#> 4 0.3316625 0.244949 0.0000000 0.6480741 1.1661904
#> 5 0.6082763 0.509902 0.6480741 0.0000000 0.6164414
#> 6 1.0908712 1.086278 1.1661904 0.6164414 0.0000000
iris[2:6, -5] %>%
  dist() %>%
  as.vector()
#>  [1] 0.3000000 0.3316625 0.6082763 1.0908712 0.2449490 0.5099020 1.0862780
#>  [8] 0.6480741 1.1661904 0.6164414
iris[2:6, -5] %>%
  dist() %>%
  dist_long()
#>    rows cols  distance
#> 2     3    2 0.3000000
#> 3     4    2 0.3316625
#> 4     5    2 0.6082763
#> 5     6    2 1.0908712
#> 8     4    3 0.2449490
#> 9     5    3 0.5099020
#> 10    6    3 1.0862780
#> 14    5    4 0.6480741
#> 15    6    4 1.1661904
#> 20    6    5 0.6164414
# This can later be used to making a network plot based on the distances.