Click on the following links. Please note these will open in a new window.

1. Read more about logistic regression at http://acme.highpoint.edu/~msetzler/LCmethods/methmaterials/SPSSlogisticRegression/using_spss_for_logistic_regressi.htm

2. Read the research on the Brazilian elections using logistic regression at http://www.academia.edu/1869935/_An_Analysis_of_the_2002_Presidential_Elections_Using_Logistic_Regression_Brazilian_Political_Science_Review_vol._1_n._1_p.125-135_2007._English_