Quantitative metagenomics Flashcards
1
Q
Alpha diversity?
A
Diversity in sample/richness
2
Q
Beta diversity?
A
Diversity between samples
3
Q
Rarefaction
A
Species/number of observations
4
Q
Why do you use the Shannon index?
A
To quantify information content, in a way that incorporates richness and evenness.
5
Q
Bray-curtis dissimilarity
A
Tells you how differnet two samples are.
6
Q
What can we say about sample sizes?
A
Normalize! Statistics! Downsize samples!