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skbio.diversity.alpha.osd#

skbio.diversity.alpha.osd(counts)[source]#

Calculate observed taxa, singletons, and doubletons.

Parameters:

counts1-D array_like, int: Vector of counts.

Returns:

osdtuple: Numbers of observed taxa, singletons, and doubletons.

See also

sobs
singles
doubles

Notes

This is a convenience function used by many of the other measures that rely on these three measures.