analy.deriv {obliclus}R Documentation

Gradient of an objective function at a rotation matrix on the set of rotation matrices.

Description

This function gives the gradient of an objective function at a rotation matrix T on the set of rotation matrices.

Usage

analy.deriv(A, T, cluster, info)

Arguments

A

The loading matrix for rotation.

T

The current value of rotation matrix.

cluster

which indicate a cluster where each variable is assigned.

info

The list including N.cluster the number of clusters, N.var and the value of an specific parameter to a rotation method, for example, the value of oblimin parameter for the method oblimin.

Value

The gradient matrix is returned.

Author(s)

Michio Yamamoto
michio.koko@gmail.com

See Also

obliclus


[Package obliclus version 0.9 Index]