geo_trim: Trim Away Small Pieces

In geomander: Geographic Tools for Studying Gerrymandering

Trim Away Small Pieces

Description

Trim Away Small Pieces

Usage

geo_trim(from, to, thresh = 0.01, bool = FALSE, epsg = 3857)

Arguments

from	Required. sf dataframe. the geography to subset
to	Required. sf dataframe. the geography that from must intersect
thresh	Percent as decimal of an area to trim away. Default is .01, which is 1%.
bool	Optional, defaults to FALSE. Should this just return a logical vector?
epsg	numeric EPSG code to planarize to. Default is 3857.

Value

sf data frame or logical vector if bool=TRUE

Examples

## Not run: 
# Needs Census Bureau API
data(towns)
block <- create_block_table('NY', 'Rockland')
geo_trim(block, towns, thresh = 0.05)

## End(Not run)

data(towns)
data(rockland)
sub <- geo_filter(rockland, towns)
rem <- geo_trim(sub, towns, thresh = 0.05)

geomander documentation built on April 16, 2023, 5:18 p.m.