Hi @Rishabh,
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Heatmaps. To make a heatmap you can run
qiime feature-table heatmap --help
. There are a variety of threads on the forum related to heatmaps. Hopefully you can find what you need there. -
Diversity. There are many ways to generate and view diversity in QIIME 2. I'd recommend walking through some of the tutorials here.
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Combining the two: Finally, check out this forum thread for really neat tricks to generate heatmaps of your alpha diversity values:
-Cheers!