Correlation

Topics

• Measures of association

• The correlation coefficient

• Ecological fallacy / Simpson's paradox

Readings

• Trochim. Correlation. Research Methods Knowledge Base. 

Handouts

• correlation and distance

• Distance and correlation

• Notes on similarity measures

• freedman, pisani and purves. Scatterplots.

• freedman, pisani and purves. Correlation coefficient.

• ecological fallacy ppt

• spurious correlations

• proximities

Datasets

• animal traits

• similarities

• binary association

• music

Suggested Readings

• Zegers, F. E., & ten Berge, J. M. F. (1985). A family of association coefficients for metric scales. Psychometrika, 50(1), 17-24 [PDF])

Class notes

• Notes | Correlation