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rphast (version 1.6.9)

ninf.msa: The number of informative columns in an alignment

Description

The number of informative columns in an alignment

Usage

ninf.msa(x)

Arguments

x

An object of type msa

Value

The number of "informative" columns in the msa. An informative column has at least two non-missing and non-gap characters.

See Also

pairwise.diff.msa To get differences per base between pairs of sequences