base.freq {ape} | R Documentation |
This function computes the relative frequencies (i.e. percentages) of the four DNA bases (adenine, cytosine, guanine, and thymidine) from a sample of sequences.
base.freq(x)
x |
a vector, a matrix, or a list which contains the DNA sequences. |
The base frequencies are computed over all sequences in the sample. All missing or unknown sites are discarded from the computations.
A numeric vector stoting the relative frequencies with names
c("a", "c", "g", "t")
.
Emmanuel Paradis Emmanuel.Paradis@mpl.ird.fr
GC.content
, seg.sites
,
nuc.div
, DNAbin