The mean value of all patches Perimeter-Area ratio index at landscape level(vector data)

This function allows you to calculate the mean value of all patch ratios in a categorical landscape in vector data format

vm_l_perarea_mn(landscape)

Arguments

landscape

the input landscape image,

Value

the returned calculated mean value is in column "value", and this function returns also some important information such as level and metric name, Moreover, class number and the "id" column, although both are "NA" here in the landscape level

Examples

vm_l_perarea_mn(vector_landscape)
#> # A tibble: 1 × 5
#>   level     class id    metric     value
#>   <chr>     <chr> <chr> <chr>      <dbl>
#> 1 landscape NA    NA    perarea_mn  1.08