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mcpca.m ( File view )

From:mocaptoolbox
  • By mountain 2013-11-27
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			function p = mcpca(d);
% Performs a Principal Components analysis on MoCap, norm or segm data
% 
% syntax
% pc = mcpca(d);
% 
% input parameters
% d: MoCap, norm or segm data structure
% 
% output
% pc: structure containing the following fields:
%   l: proportion of variance contained in each PC
%   q: PC vectors (columns)
%   c: PC projections (rows)
%   meanx: mean vector of variables
%
%  Part of the Motion Capture Toolbox, Copyright 2008, 
% University of Jyvaskyla, Finland

if isfield(d,'type') & (strcmp(d.type, 'MoCap data') | strcmp(d.type, 'norm data'))
    [p.l, p.q, p.c, p.meanx] = mypca(d.data);



elseif isfield(d,'type') & strcmp(d.type, 'segm data')
    tmp = [d.roottrans d.rootrot.az];
    for k = 2:d.nMarkers
        tmp = [tmp d.segm(k).eucl];
    end
    [p.l, p.q, p.c, p.meanx] = mypca(tmp);

end
			
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License.txt15.84 kB2013-02-12 03:05
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MCT_manual_v1.4.pdf1.92 MB2013-02-12 04:00
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._releasenotes_v1.4.txt171.00 B2013-02-12 03:10
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mcpca.m (3.10 MB)

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