\name{alphabetScore} \alias{alphabetScore} \title{Efficiently calculate the sum of quality scores across bases} \description{ This generic takes a \code{\linkS4class{QualityScore}} object and calculates, for each read, the sum of the encoded nucleotide probabilities. } \usage{ alphabetScore(object, ...) } \arguments{ \item{object}{An object of class \code{\linkS4class{QualityScore}}.} \item{\dots}{Additional arguments, currently unused.} } \value{ A vector of numeric values of length equal to the length of \code{object}. } \author{Martin Morgan } \keyword{manip}