loaloa {geostatsp}

Loaloa prevalence data from 197 village surveys

Description

Location and prevalence data from villages, elevation an vegetation index for the study region.

Usage

data("loaloa")

Format

loaloa is a SpatVector containing the data, with columns N being the number of individuals tested and y being the number of positives. elevationLoa is a raster of elevation data. eviLoa is a raster of vegetation index for a specific date. ltLoa is land type. ltLoa is a raster of land types. 1 2 5 6 7 8 9 10 11 12 13 14 15 tempLoa is a raster of average temperature in degrees C.

Source

http://www.leg.ufpr.br/doku.php/pessoais:paulojus:mbgbook:datasets for the loaloa data, https://lpdaac.usgs.gov/data/ for EVI and land type and https://srtm.csi.cgiar.org for the elevation data.

Examples

data("loaloa")
loaloa = unwrap(loaloa)
plot(loaloa, main="loaloa villages")

# elevation
elevationLoa = unwrap(elevationLoa)
plot(elevationLoa, col=terrain.colors(100), main="elevation")
points(loaloa)

# vegetation index
eviLoa = unwrap(eviLoa)
plot(eviLoa, main="evi")
points(loaloa)

tempLoa = unwrap(tempLoa)
plot(tempLoa, main="temperature")
points(loaloa)



# land type, a categorical variable
ltLoa = unwrap(ltLoa)
plot(ltLoa)
if(requireNamespace("mapmisc")){
	mapmisc::legendBreaks("bottomleft",ltLoa, bty='n')
}
points(loaloa)