Area weighting giving too low answers

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I am trying the code below in order to area weight my data. The data looks good except it is 5 orders of magnitude lower than I want or expected. I have tried modifying a few things but can't seem to get it to work. Can anyone see where I have gone wrong?
[x,y]=meshgrid(0:1:360,-66:1:66);
x=x(1:end-1,1:end-1); y=y(1:end-1,1:end-1);
weight = cos(y(:,1));
wrepa = repmat(weight,[1 120 663]);
wrepa = permute(wrepa,[3 1 2]);
aa = areaquad(y(:,1)-(1/2),y(:,1)*0,y(:,1)+(1/2),(y(:,1)*0)+1);
repa = repmat(aa,[1 120 663]);
repa = permute(repa,[3 1 2]);
b = sum(aa)*360;
AMW = AM.*wrepa;
AMWW = AMW.*(repa/b);
AMWW = nanmean3d(AMWW,1);
AMWms = (smooth(AMWW,12));
AMWms = 663x132x120;
with values between 1 to -2 spatially.
thanks, Michael
  6 个评论
Michael
Michael 2014-8-6
AM is the pre-weighted data with same dimensions as AMWms

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回答(1 个)

Michael
Michael 2014-8-7
Can anyone help me?

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