package biocaml
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doc/biocaml.ez/Biocaml_ez/Phred_score/index.html
Module Biocaml_ez.Phred_scoreSource
include module type of struct include Biocaml_unix.Phred_score end
to_probablity x converts x to a probablity score. Note this is not the inverse of of_probability due to the rounding done by the latter.
of_solexa_score x converts Solexa score x to a PHRED score.
The conversion produces a float, and it is unclear what convention is used to convert the resulting float value to an integer. As in of_probability, the optional f parameter is provided to dictate this.
to_solexa_score t converts PHRED score t to a Solexa score.
The conversion produces a float, and it is unclear what convention is used to convert the resulting float value to an integer. As in of_probability, the optional f parameter is provided to dictate this.
The min and max PHRED scores when encoded as ASCII characters. Since PHRED scores are virtually always ASCII encoded, you are unlikely to see values outside this range. However, this module allows creating values outside this range, e.g. of_probability 1e-13 exceeds max_as_char, and of_probability 0.9 is smaller than min_as_char (for either offset).