Analyzing Relations between Data Set - Part I
1 9-2 / 9.3 Correlation and Regression. 2 n xy - ( x)( y) n( x 2 ) - ( x) 2 n( y 2 ) - ( y) 2 r = Definition Linear Correlation Coefficient.
Biostatistics Lecture 17 6/15 & 6/16/2015. Chapter 17 – Correlation & Regression Correlation (Pearson’s correlation coefficient) Linear Regression Multiple.
1 i247: Information Visualization and Presentation Marti Hearst Graphing and Basic Statistics.
