Within - group and between - group correlation : Illustration on noninvasive estimation of intracranial pressure


—The linear association between two continuous quantities is often assessed in terms of Pearson's correlation coefficient, r. However, if the data are not homogeneous, i.e., consist of groups, then it is important to decompose the " total " correlation into components that measure the correlation within the groups, and the correlation between the groups… (More)


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