getAAFrequencies {midasHLA} | R Documentation |
getAAFrequencies
calculates amino acid frequencies in amino acid
data frame.
getAAFrequencies(aa_variation)
aa_variation |
Amino acid variation data frame as returned by hlaToAAVariation. |
Both gene copies are taken into consideration for frequencies calculation,
frequency = n / (2 * j)
where n
is the number of amino acid
occurrences and j
is the number of samples in aa_variation
.
Data frame with each row holding specific amino acid position, it's count and frequency.
aa_variation <- hlaToAAVariation(MiDAS_tut_HLA) getAAFrequencies(aa_variation)