library (ShortRead) genome <- readDNAStrings(Fasta file) sread(genome)[1] quality(genome)[1] ##PhredQuality instance pq <- PhredQuality (quality(fqsample)) # transform encoding into scores qs <- as(pq, "IntegerList") qs # Print score qaSummary <- qa(fqsample, lane = 1) #class : ShortReadQQA(1D) #Names accessible with the quality assessment summary names (qaSummary)