motor
data frame has 94 rows and 4 columns. The rows are
obtained by removing replicate values of time
from the dataset
mcycle
. Two extra columns are added to allow for strata with
a different residual variance in each stratum.data(motor)
Silverman, B.W. (1985) Some aspects of the spline smoothing approach to non-parametric curve fitting. Journal of the Royal Statistical Society, B, 47, 1--52.
Venables, W.N. and Ripley, B.D. (1994) Modern Applied Statistics with S-Plus. Springer-Verlag.
mcycle