| power {stats} | R Documentation |
Create a Power Link Object
Description
Creates a link object based on the link function \eta = \mu ^
\lambda.
Usage
power(lambda = 1)
Arguments
lambda |
a real number. |
Details
If lambda is non-positive, it is taken as zero, and the log
link is obtained. The default lambda = 1 gives the identity
link.
Value
A list with components linkfun, linkinv,
mu.eta, and valideta.
See make.link for information on their meaning.
References
Chambers, J. M. and Hastie, T. J. (1992) Statistical Models in S. Wadsworth & Brooks/Cole.
See Also
make.link,
family
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.
Examples
power()
quasi(link=power(1/3))[c("linkfun", "linkinv")]