skbio.diversity.alpha.osd

skbio.diversity.alpha.osd(counts)

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.