spatial_SA

Source: R/spatial_SA.R

Generates a spatial weights matrix (A) and sp_id (S). User defines units and adjacencies.

spatial_SA(data, var_ccode, threshold = 800L)

Arguments

data

data.frame.
var_ccode

name of the variable that contains the country codes.
threshold

distance in kilometers. By default is 800.

Value

list. Contains database with variable sp_id (S) and matrix A.

Examples


walter <- spduration::add_duration(Walter_2015_JCR,"renewed_war",
                                   unitID = "ccode",
                                   tID = "year",
                                   freq = "year",
                                   ongoing = FALSE)

#> Warning: Converting to 'Date' class with yyyy-06-30

walter <- spatial_SA(data = walter,
                     var_ccode = "ccode",
                     threshold = 800L)