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    testing normality

    Can someone help to find the error in my code? I wanted to make a program in R which will tell me if a distribution is normal or not. It should also print a histogram with a density curve. After reading the .csv file and required packages (moments and ggplot2) i test my data for normality with...
  2. I

    (3x4) 2way anova

    Hi there. I have a problem with conducting the 3x4 anova test. I have two independent variables - data through 3 years divided into 4 seasons (spring, winter...). The dependent variable is the frequency of patients. No matter in what statistical software I try to do the test, I always get the...