Hello,
I have obtained the following Shannon indices from a trio of samples: 27.73 (healthy tissues), 24.55 (primary colon tumor), and 1.20 (metastatic tissues).
The indices have been obtained with the diversity function of R's package vegan.
How can I calculate whether the samples are statistically different?
Arnob Saha
To compare shannon index results, you can do a hutcheson t test. Simply follow the below given link:
https://www.dataanalytics.org.uk/comparing-diversity/#ttest
But to calculate whether ths samples are significantly differen, i would suggest you to do an Anosim test(in pair wise method) which would give you 3 p-values in pairs. If your p-values are
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