loaloa: Loaloa prevalence data from 197 village surveys

loaloaR Documentation

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)


geostatsp documentation built on Sept. 23, 2023, 1:06 a.m.