can: Generation of the tuning constant for regression fixed point...

Description Usage Arguments Details Value Author(s) References See Also Examples

View source: R/fixreg.R

Description

Generates tuning constants ca for fixreg dependent on the number of points and variables of the dataset.

Only thought for use in fixreg.

Usage

1
can(n, p)

Arguments

n

positive integer. Number of points.

p

positive integer. Number of independent variables.

Details

The formula is 3+33/(n*2^{-(p-1)/2})^{1/3}+2900000/(n*2^{-(p-1)/2})^3. For justification cf. Hennig (2002).

Value

A number.

Author(s)

Christian Hennig c.hennig@ucl.ac.uk http://www.homepages.ucl.ac.uk/~ucakche/

References

Hennig, C. (2002) Fixed point clusters for linear regression: computation and comparison, Journal of Classification 19, 249-276.

See Also

fixreg

Examples

1
  can(429,3)

fpc documentation built on May 30, 2017, 3:20 a.m.