How to adjust the ratio to compare the data in two variables?
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Brian Kim
am 18 Okt. 2017
Kommentiert: Brian Kim
am 19 Okt. 2017
There are two different variables.
A=[107.5383 47.4492 36.4819 26.4964];
B=1.0e+03 * [4.1876 3.5687 3.4444 3.4548];
I want to know the correlation between A and B.
But, it is too large difference between A and B.
in that case, how to adjust?
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Jos (10584)
am 18 Okt. 2017
You can transform your data linearly into, for instance, z-scores, to get a "normal" range of values. This does not change the correlation, so the answer by Walter is the one to follow!
A=[107.5383 47.4492 36.4819 26.4964];
B=1.0e+03 * [4.1876 3.5687 3.4444 3.4548];
% z-score transformation
Az = (A - mean(A)) ./ std(A)
Bz = (B - mean(B)) ./ std(B)
plot(Az,Bz,'bo')
corr(Az(:),Bz(:))
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