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.