How To... Perform a Mann-Whitney U Test in R #95

Learn how conduct the non-parametric Mann Whitney U test to determine of two unpaired samples are different with @EugeneOLoughlin.

[TadkedaarKanpuri]

Does the warning message have any repercussions? Is there any alternative to correct for it? Thanks for the great video!

[jawswasnevermyscene]

What to do if a factor has more than 2 levels i.e NA values while comparing to a continuous set

[nurinarifah]

thank you soo much. Your videos help me a lot. If you could possibly explain, may I know why we have to report the smaller W-statistic?

[brazilfootball]

Great video, thank you! Can I use this test on data that ranges between 0.00 -> 0.72 (each value in the dataset is an average of 10 percentages, bounded by 0.00 and 1.00) where zero accounts for about 53% of the data?

[nanna]

What shall I write in the script if I have more variables than 2? Another $ and the name of the variable doesn't work...