Measures of correlation or association Flashcards
To add : Point-biserial correlation coefficient
http://www.proac.uff.br/cede/sites/default/files/Workshop3.pdf
association vs. correlation vs. predictabiity…
relations to feature selection, dependence, regression, categorization, independence, information theory perspective
http: //www.psychstat.missouristate.edu/multibook/mlt08m.html
http: //courses.ncssm.edu/math/Stat_Inst/PDFS/Categorical%20Data%20Analysis.pdf
http: //www.researchgate.net/post/Which_test_do_I_use_to_estimate_the_correlation_between_an_independent_categorical_variable_and_a_dependent_continuous_variable
Kendall tau rank correlation coefficient
http://stats.stackexchange.com/questions/29489/how-do-i-study-the-correlation-between-a-continuous-variable-and-a-categorical
Point-biserial correlation coefficient
Types of correlation coefficients
Nominal ——> Phi and Cramer’s V
– Ordinal ——> Somer’s D , Gamma, Kendall’s tau
– Nominal + Interval ——> Eta
source: http://www.proac.uff.br/cede/sites/default/files/Workshop3.pdf