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Correlation between two variables (not same size, not pairs)

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shima
shima 2018-1-9
回答： Kim Folmer Andersen 2018-1-11
Hi, I'm new to Matlab and have a question.
I have these two variables, fi and fu.
fi has 94 rows and 1 column.
fu has 41 rows and 1 column.
How can I calculate the correlation between fi (as a whole) and fu (as a whole), and the P-value?
I don't want the correlation changes when I change the sort of numbers either in fi or in fu (like below).
.
row 1: fi(1) fu(1)
row 2: fi(2) fu(2)
------------------
row 1: fi(1) fu(2)
row 2: fi(2) fu(1)
.
any help would be appreciated

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回答（1 个）

Kim Folmer Andersen
you might want to look into crosscorrelation?

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