Mercurial > forge
changeset 1068:a9c30f62cb2e octave-forge
cleaned up code; double division changed to mul and single div; check of DIM argument cleaner
| author | schloegl |
|---|---|
| date | Thu, 09 Oct 2003 09:00:50 +0000 |
| parents | 76e1a6f67810 |
| children | 44eeb81593b2 |
| files | extra/NaN/zscore.m |
| diffstat | 1 files changed, 9 insertions(+), 8 deletions(-) [+] |
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--- a/extra/NaN/zscore.m Thu Oct 09 08:27:03 2003 +0000 +++ b/extra/NaN/zscore.m Thu Oct 09 09:00:50 2003 +0000 @@ -19,7 +19,7 @@ % see also: SUMSKIPNAN, MEAN, STD, DETREND % % REFERENCE(S): -% http://mathworld.wolfram.com/z-Score.html +% [1] http://mathworld.wolfram.com/z-Score.html % This program is free software; you can redistribute it and/or modify % it under the terms of the GNU General Public License as published by @@ -41,15 +41,16 @@ % $Id$ -if nargin==1, - DIM=min(find(size(i)>1)); - if isempty(DIM), DIM=1; end; +if any(size(i)==0); return; end; + +if nargin < 2, + [S,N,SSQ] = sumskipnan(i); % sum +else + [S,N,SSQ] = sumskipnan(i,DIM); % sum end; -if any(size(i)==0); return; end; - -[S,N,SSQ] = sumskipnan(i,DIM); % sum M = S./N; i = i - repmat(M,size(i)./size(S)); % remove mean -i = i./repmat(sqrt((SSQ-real(S).*real(M)-imag(S).*imag(M))./max(N-1,0)),size(i)./size(S)); % normalize by STD +i = i.*repmat(sqrt((SSQ-real(S).*real(M)-imag(S).*imag(M)).\max(N-1,0)),size(i)./size(S)); % normalize by STD +