Exchange Index(vector data) — vm_l_exchange

Calculate Exchange Index

vm_l_exchange_mn(landscape)

Arguments

landscape: the input landscape image,

Value

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.

Details

share of the total area of the shape that is inside the equal-area circle about its centroid

References

Angel, S., Parent, J., & Civco, D. L. (2010). Ten compactness properties of circles: Measuring shape in geography: Ten compactness properties of circles. The Canadian Geographer / Le Géographe Canadien, 54(4), 441–461. https://doi.org/10.1111/j.1541-0064.2009.00304.x

Examples

vm_l_exchange_mn(vector_landscape)
#> # A tibble: 1 × 5
#>   level     class id    metric      value
#>   <chr>     <chr> <chr> <chr>       <dbl>
#> 1 landscape NA    NA    exchange_mn 0.381