significance of correlation matrix

How can I measure the significance of a correlation for example with a single sample t-test in combination with linear correlation?


Hi @m-dressler,

welcome to the forum.

Looking around on google, to estimate the significance of the correlation coefficient you will most likely want to use this formula. With this, you do not really need a dedicated node. Assuming you have the value for the correlation coefficient, you can simply use the Math Formula node to compute the t-value for a given correlation coefficient and the number of points in the estimation of the coefficient. Then you can use Rule Engine to compare the t-value with a pre-chosen threshold for a desired CL.


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