XStringQuality-class {Biostrings} | R Documentation |
Objects for storing string quality measures.
## Constructors: PhredQuality(x) SolexaQuality(x)
x |
Either a character vector, BString, BStringSet, integer vector, or number vector of error probabilities. |
PhredQuality
objects store characters that are interpreted as [0 - 99] quality
measures by subtracting 33 from their ASCII decimal representation
(e.g. ! = 0, " = 1, # = 2, ...).
SolexaQuality
objects store characters are interpreted as [-5 - 99] quality
measures by subtracting 64 from their ASCII decimal representation
(e.g. ; = -5, < = -4, = = -3, ...).
P. Aboyoun
pairwiseAlignment
,
PairwiseAlignedFixedSubject-class,
DNAString-class,
BStringSet-class
PhredQuality(0:40) SolexaQuality(0:40) PhredQuality(seq(1e-4,0.5,length=10)) SolexaQuality(seq(1e-4,0.5,length=10))