power Create a Power Link ObjectCreates a link object based on the link function η = μ ^ λ.
power(lambda = 1)
lambda | a real number. |
If lambda is non-positive, it is taken as zero, and the log link is obtained. The default lambda = 1 gives the identity link.
A list with components linkfun, linkinv, mu.eta, and valideta. See make.link for information on their meaning.
Chambers, J. M. and Hastie, T. J. (1992) Statistical Models in S. Wadsworth & Brooks/Cole.
To raise a number to a power, see Arithmetic.
To calculate the power of a test, see various functions in the stats package, e.g., power.t.test.
power()
quasi(link = power(1/3))[c("linkfun", "linkinv")]
Copyright (©) 1999–2012 R Foundation for Statistical Computing.
Licensed under the GNU General Public License.