Gambia Malaria Data from geoR

Description
Malaria prevalence in children recorded at villages in The Gambia, Africa. 



Format of Gambia data:
A data frame with 2035 observations on the following 8 variables. 
x:		 x-coordinate of the village (UTM). 
y:		 y-coordinate of the village (UTM). 
pos:	 presence (1) or absence (0) of malaria in a blood sample taken from the child.
age:	 age of the child, in days
netuse:	 indicator variable denoting whether (1) or not (0) the child regularly sleeps under a bed-net. 
treated: indicator variable denoting whether (1) or not (0) the bed-net is treated (coded 0 if netuse=0).
green:	 satellite-derived measure of the green-ness of vegetation in the immediate vicinity of the village (arbitrary units). 
phc:	 indicator variable denoting the presence (1) or absence (0) of a health center in the village. 



References

Thomson, M., Connor, S., D Alessandro, U., Rowlingson, B., Diggle, P., Cresswell, M. & Greenwood, B. (1999). Predicting malaria infection in Gambian children from satellite data and bednet use surveys: the importance of spatial correlation in the interpretation of results. American Journal of Tropical Medicine and Hygiene 61: 2–8. 

Diggle, P., Moyeed, R., Rowlingson, B. & Thomson, M. (2002). Childhood malaria in The Gambia: a case-study in model-based geostatistics, Applied Statistics.