negent3D | R Documentation |
Q = 3
dimensionsSearches for the rotation that maximizes the estimated negentropy of the
first column of the rotated data, and of the second variable fixing the
first, for q = 3
dimensional data. The routine uses a random start for
the function optim using the simulated annealing option SANN, hence one may
wish to increase the number of attempts by setting nstart to a integer larger
than 1.
negent3D(y, nstart = 1, m = 100, ...)
y |
The |
nstart |
The number of times to randomly start the search routine. |
m |
The number of angles (between 0 and |
... |
Further optional arguments to pass to the |
A 'list' with the following components:
The 3 x 3
orthogonal matrix G that optimizes
the negentropy.
Estimated negentropies for the three rotated variables, from largest to smallest.
negent
, negent2D
## Not run:
# Running this example will take approximately 30s.
# Centers and scales the variables.
y <- scale(as.matrix(iris[, 1:3]))
# Obtains Negent Vectors for 3x3 matrix
gstar <- negent3D(y, nstart = 100)$vectors
## End(Not run)
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