期刊
CRITICAL CARE
卷 7, 期 6, 页码 451-459出版社
BIOMED CENTRAL LTD
DOI: 10.1186/cc2401
关键词
coefficient of determination; correlation coefficient; least squares regression line
The present review introduces methods of analyzing the relationship between two quantitative variables. The calculation and interpretation of the sample product moment correlation coefficient and the linear regression equation are discussed and illustrated. Common misuses of the techniques are considered. Tests and confidence intervals for the population parameters are described, and failures of the underlying assumptions are highlighted.
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