1. A

    Looking to test the equality of 2 survival curves with a Kolmogorov–Smirnov test

    I am using R version 3.2.2 and RStudio version Version 0.99.486. Which R code can I use to test the equality of 2 survival curves using the maximum difference between the curves? This is like a Kolmogorov–Smirnov test statistic but not for goodness of fit. Previously I have used proportion...
  2. S

    Justify the use of KS over Shapiro and Wilk normality test

    Hello there. I am testing my data distribution for normality using both Shapiro Wilk and Kolmogorov and Smirnov tests in SPSS. S&W reveals that the data is not normally distributed whereas K&S shows its approximately normally distributed. How can i justify the use of K&S over S&W in order to...
  3. alfred

    Normality of a dataset

    Hello, In SPSS, which is the difference between the Kolmogorov-Smirnoff test under Analyze->Descriptive Stats->Explore and under Analyze->Non Parametric Tests->1 sample K-S? I always thought that the first one includes the Lilliefors correction and is more precise, but in principle the second...