scallop {SemiPar} | R Documentation |
Scallop abundance data
Description
The scallop
data frame has 148 triplets
concerning scallop abundance; based
on a 1990 survey cruise in the Atlantic continental
shelf off Long Island, New York, U.S.A.
Usage
data(scallop)
Format
This data frame contains the following columns:
- latitude
degrees latitude (north of the Equator).
- longitude
degrees longitude (west of Greenwich).
- tot.catch
size of scallop catch at location specified by "latitude" and "longitude".
Source
Ecker, M.D. and Heltshe, J.F. (1994). Geostatistical estimates of scallop abundance. In Case Studies in Biometry. Lange, N., Ryan, L., Billard, L., Brillinger, D., Conquest, L. and Greenhouse, J. (eds.) New York: John Wiley & Sons, 107-124.
References
Ruppert, D., Wand, M.P. and Carroll, R.J. (2003)
Semiparametric Regression Cambridge University Press.
http://stat.tamu.edu/~carroll/semiregbook/
Examples
library(SemiPar)
data(scallop)
pairs(scallop)