Last data update: 2014.03.03
R: boxcox.deriv
boxcox.deriv R Documentation
boxcox.deriv
Description
Derivative of the Box-Cox transformation function.
Usage
boxcox.deriv(x, lambda)
Arguments
x
a numeric vector or scalar
lambda
Box-Cox transformation variable.
Value
A vector or scalar of the derivative of the Box-Cox function evaluated at x.
Author(s)
Michelle Winerip, Garrick Wallstrom, Joshua LaBaer
References
Box, George EP, and David R. Cox. "An analysis of transformations." Journal of the Royal Statistical Society. Series B (Methodological) (1964): 211-252.
See Also
boxcox
boxcox.inv
boxcox.inv.density
Results