A data frame giving a series of measurements of head acceleration in a simulated motorcycle accident, used to test crash helmets.
in milliseconds after impact.
Silverman, B. W. (1985) Some aspects of the spline smoothing approach to non-parametric curve fitting. Journal of the Royal Statistical Society series B 47, 1–52.
Venables, W. N. and Ripley, B. D. (1999) Modern Applied Statistics with S-PLUS. Third Edition. Springer.