vm_p_enn.RdThis function allows you to calculate the distance to the nearest neighbouring patch of the same class in meters The distance is measured from edge-to-edge.
vm_p_enn(landscape, class_col = NULL, patch_col = NULL)the input landscape image,
the name of the class column of the input landscape
the name of the id column of the input landscape
the function returns tibble with the calculated values in column "value", this function returns also some important information such as level, class, patch id and metric name.
vm_p_enn(vector_patches, "class", "patch")
#> # A tibble: 40 × 5
#> level class id metric value
#> <chr> <chr> <chr> <chr> <dbl>
#> 1 patch 1 11 enn 4
#> 2 patch 1 12 enn 1
#> 3 patch 1 13 enn 0
#> 4 patch 1 14 enn 0
#> 5 patch 1 15 enn 0
#> 6 patch 1 16 enn 0
#> 7 patch 1 17 enn 3.16
#> 8 patch 1 18 enn 2
#> 9 patch 1 19 enn 0
#> 10 patch 1 20 enn 0
#> # ℹ 30 more rows