how to get Pearson coefficient in the single vector not in the matrix

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shagun chaudhary
shagun chaudhary 2022-1-20
回答： Prince Kumar 2022-1-25
Hi,
is there any possible where i can get pearson cofficient in the single vector? i have tried with the [R,P] = corrcoef(___) but it gives in matrix form
please help

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回答（1 个）

Prince Kumar
Prince Kumar 2022-1-25
Ran in:
Hi,
Pearson coefficient measures the strength and direction of a linear relationship between two variables.
For example :
x = randn(6,1);
y = randn(6,1);
A = [x y 2*y+3];
R = corrcoef(A)
R = 3×3
1.0000 -0.7991 -0.7991 -0.7991 1.0000 1.0000 -0.7991 1.0000 1.0000
As you can see that there is a linear relation between second and third element of the A, this is information is given by "corrcoef" function.
Thus, it is not possible to capture this relation in a single vector.

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