The
scallops
data frame is a spatial data set listing the catch of
scallops from a 1990 National Marine Fisheries Service trawl survey in
the Atlantic Ocean.
The survey area runs from the Delmarva Peninsula off the coast of Virginia
and Maryland up to the George Banks.
This data frame contains the following columns:
prerec
+
recruits
.
From Ecker and Heltshe (1994) who present a geostatistical analysis of the data.
Ecker, Mark D. and Heltshe, James F. (1994) Geostatistical estimates of scallop abundance. In Case Studies in Biometry. Nicholas Lange, Louise Ryan, Lynne Billard, David Brillinger, Loveday Conquest, and Joel Greenhouse, eds. New York: Wiley, pp. 107-124.