Description Usage Arguments Value Note Author(s) Examples
Normalizes taxa abundances in a table of relative abundance data using the z-score method. ((Abundance of one OTU in one sample) - (mean abundance for that OTU ))/(standard deviation of that OTU)
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table |
A table of relative abundance data with taxa in rows and samples in columns |
Returns a table with relative abundance data replaced by z-scores
There is debate on whether this method of normalization is valid for microbial communities, as their abundance distrubtions tend to be heavily skewed. I found it useful for plotting heatmaps and for input into network analysis.
Alexandra Linz <amlinz16@gmail.com>
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