Changes in version 1.2: NEW FEATURES o Study design metadata system (group ID, strand, etc) added o Statistics for trimming step added o Per sample mean quality box plot added o Per cycle mean quality Principal Component Analysis (PCA) plot added o Overrepresented sequencing reads plot added USER VISIBLE CHANGES o RqcResultSet class stores data as frequency tables o BPPARAM argument added to rqc and rqcQA functions BUG FIXES o Memory usage improved o Input file validation system o Rqc does not depend on X11 to generate plots o Rqc's reporter can generate plots for more than 10 files o Fixed bug related with reshape2 dependency o Fixed bug related with table function