Meaning of proportion output of q2 quality-control evaluate-composition

Hello,

I'm running evaluate-compostion on communities from mockrobiota, and am unsure about some of the outputs.

The tables in the visualization contain two columns: taxonomy strings, and what looks like a proportion. Is there useful information in this second column?

The bottom of the Fungal ITS analysis tutorial has an example visualization.

Hi @dylan,

yes, the second columns in the false positives/negatives tables are the expected or observed proportions of those taxa.

it just indicates the proportions. it’s potentially useful to answer, e.g., if a false positive is a rare or common taxon. Potentially informative for deciding if this is a contaminant, misclassification, or something else.

good luck!

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