Exercise:
Analyze Freireich’s data above using the multiple tests together.
Comparative verification test
Log-Rank test P values: StatFinale, 4.169E-05; SPSS, 0.000; EZR, 4.17E-05.
Exact match with SPSS and EZR.
The chi-square value of the Generalized Wilcoxon test: StatFinale, 13.011 (Gehan); SPSS, 13.458 (Breslow); EZR,14.5 (Peto-Peto). They are not the same because the test methods are different. The P value is 0.0003 for StatFinale, 0.000 for SPSS, and 0.0001 for EZR.
