monitor.mercury data frame has 22 observations
from sampling locations around a solid waste
incinerator in Warren County, New Jersey, USA
This data frame contains the following columns:
longitude of sampling location.
latitude of sampling location.
mercury concentration in dry sphagnum moss grown at the sampling location.
Opsomer, J.D., Agras, J., Carpi, A. and Rodrigues, G. (1995), An application of locally weighted regression to airborne mercury deposition around an incinerator site, Environmetrics, 6, 205-221.
Ruppert, D., Wand, M.P. and Carroll, R.J. (2003)
Semiparametric Regression Cambridge University Press.
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