trim.polys.by.pop | R Documentation |
Trims polygons by population. Helper fcn called from polygonal.div if min.population has a non-null value. Uses helpers bundled in package (and depening on divDat package) to construct tract populations.
trim.polys.by.pop(
sub.polys,
region.id,
region.type = "cz",
min.population.count = NULL,
min.population.perc = NULL,
return.sf = F
)
min.population.count |
Minimum population that must fall into a polygon subdivision for it to be counted. Population is interpolated from census tracts based on % area overlap of CT within sub-polygon. Set to NULL or 0 to not apply the filter. *Note the pop filters may use outdated code that may be broken due to changes elsewhere. |
min.population.perc |
Minimum percent % of population that must fall into a polygon subdivision for it to be counted. Population is interpolated from census tracts based on % area overlap of CT within sub-polygon. Set to NULL or 0 to not apply the filter. |
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