grasp.scope {grasper}R Documentation

Scope list Creator

Description

Scope list creator, generally called by grasp.model and to be used with grasp.step.gam in stepwise selection.

Usage

grasp.scope(sX = gr.selX, df = 4, calcdf = FALSE, trace = TRUE)

Arguments

sX List coontaining the different Xs for each Ys
df Number of degrees of freedom
calcdf Let the smooth function "calculate" the degrees of freedom, see gam for details.
trace Verbose output

Details

This function creates the scope list. It isn't of any use by itself. It is called by grasp.model and used by grasp.step.gam for stepwise selection.

Author(s)

Fabien Fivaz \email{fabien.fivaz@bluewin.ch}. Ported to R from GRASP for S-Plus written by A. Lehmann, J.R. Leathwich and J. McC Overton. Look at http://www.cscf.ch/grasp for details and update.

See Also

grasp.model, grasp.start and grasp.step.gam.


[Package grasper version 0.4-4 Index]