Correlation and simple linear regression.

@article{Zou2003CorrelationAS,
  title={Correlation and simple linear regression.},
  author={Kelly H. Zou and Kemal Tuncali and Stuart G. Silverman},
  journal={Radiology},
  year={2003},
  volume={227 3},
  pages={617-22}
}
In this tutorial article, the concepts of correlation and regression are reviewed and demonstrated. The authors review and compare two correlation coefficients, the Pearson correlation coefficient and the Spearman rho, for measuring linear and nonlinear relationships between two continuous variables. In the case of measuring the linear relationship between a predictor and an outcome variable, simple linear regression analysis is conducted. These statistical concepts are illustrated by using a… CONTINUE READING
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