countryFunRast: Return function values per country

In pik-piam/geodata: Landuse geodata library

Description

Returns values per country based on the function and the countries boundaries. Is based on the extract function from the raster package.

Usage

countryFunRast(x, fun=sum, countries="DIVA GIS", cache=T)

Arguments

x	Raster file where function is applied to
fun	Function that is applied to the raster values. E.g. 'sum' sums up raster values per country
countries	Dataset that is used to sperate between counties. Currently only polygons from 'DIVA GIS' supported
cache	If TRUE, will read the countries boundaries from cache if available

Value

magpie object with the values per country

Author(s)

Ulrich Kreidenweis

See Also

countryCellRast

Examples

## Not run: countryFunRast()

pik-piam/geodata documentation built on Nov. 5, 2019, 12:21 a.m.