Package src :: Package stats306b :: Package lecture7 :: Module olive
[hide private]
[frames] | no frames]

Module olive

source code

This example carries out an ICA analysis of the olive oil data set

Functions [hide private]
 
component(X, tol=0.0001, resid=None, niter=40, initial=None)
Fixed point algorithm for fast ICA using kurtosis
source code
 
ICA(X, ncomp=1, tol=0.0001, niter=40)
Get ncomp ICA components, after whitening the data first.
source code
 
scatter(S, i=0, j=1)
Scatter plot of a pair of scores, either ICA or PCA.
source code
 
all(S)
Make an 8x8 grid of scatter plots with histograms of the scores on the diagonal.
source code
 
draw(ncomp=8)
Plot results of ICA and PCA analyses for comparison.
source code
 
trial(ncomp=3)
Extract 3 components from olive data.
source code