hello, I have several parameters (chlorophyll, primary production) that I measures at two different marine stations during 2 years (it 's a time series). I need to do a statistical test to look at are there differences between these two locations, despite the fact that the planktonic communities are also changing over time. My data ara not normal so I need a non parametric test . Thanks for your help!
You can use non-parametric tests to compare two marine stations over 2 years. Non-parametric tests are valid for both non-Normally distributed data and Normally distributed data. Some examples of non-parametric tests include the Mann-Whitney U test and the Wilcoxon signed-rank test. The Mann-Whitney U test is used to compare two independent groups. The Wilcoxon signed-rank test is used to compare two dependent groups.
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