The boundary length file (e.g. bound.dat)
A data frame with 18488 rows and 3 variables:
id1
integer planning unit ID
id2
integer the planning unit ID of a planning unit which neighbours the one in id1
amount
double the relative importance of including the planning unit in id2 if the one in id1 is selected.
Details
R script to create the data is in [data-raw/bound.R](https://github.com/remi-daigle/marxanr/blob/main/data-raw/bound.R)