\name{plotGC-methods} \docType{methods} \alias{plotGC} \alias{plotGC-methods} \title{Plot per Base GC Content by Position} \description{ \code{plotGC} plots the GC proportion by position. } \usage{ plotGC(obj) } \arguments{ \item{obj}{an S4 object of class that inherits from \code{\linkS4class{SequenceSummary}} (either \code{\linkS4class{FASTASummary}} or \code{\linkS4class{FASTQSummary}}) from \code{readSeqFile}.} } \author{Vince Buffalo } \examples{ ## Load a FASTQ file, with sequence hashing. s.fastq <- readSeqFile(system.file('extdata', 'test.fastq', package='qrqc')) ## Plot Qualities plotGC(s.fastq) } \keyword{graphics}