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KMID : 1034420180430020021
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Restorative Dentistry & Endodontics
2018 Volume.43 No. 2 p.21 ~ p.21
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Statistical notes for clinical researchers: simple linear regression 1 ? basic concepts
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Kim Hae-Young
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Abstract
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In the last section, correlation was discussed as a measure describing linear relationship between 2 variables [1]. Regression is another method describing their relationship by using a regression line which is the best fitting straight line that we can draw through data points on a scattered plot. Correlation depicts the direction and strength of the relationship, while regression provides explanation or prediction of the response variable (Y) using one or more predictor variables (X).
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