search for: statguidefiles

Displaying 2 results from an estimated 2 matches for "statguidefiles".

2007 May 10
1
Significance test for discrete data
Hello, given situation: - pre / post test comparison of discrete, paired data [values can be 1,2,3,4]. - the data are neither normal distributed nor symetric Which test should I use to calculate the p-value? Is the wilcoxon rank sum test ok ? Alex
2007 Jun 19
2
Preconditions for a variance analysis
Hello everbody, i'm currently using the anova()-test for a small data.frame of 40 rows and 2 columns. It works well, but is there any preconditions for a valid variance analysis, that i should consider? Thank you for your answer, Daniel