The polar
data frame has 50 rows and 2 columns.
The data are the pole positions from a paleomagnetic study of New Caledonian laterites.
polar
This data frame contains the following columns:
lat
The latitude (in degrees) of the pole position. Note that all latitudes are negative as the axis is taken to be in the lower hemisphere.
long
The longitude (in degrees) of the pole position.
Davison, A.C. and Hinkley, D.V. (1997) Bootstrap Methods and Their Application. Cambridge University Press.