\name{AlignedDataFrame} \alias{AlignedDataFrame} \title{AlignedDataFrame constructor} \description{ Construct an \code{AlignedDataFrame} from a data frame and its metadata } \usage{ AlignedDataFrame(data, metadata, nrow = nrow(data)) } \arguments{ \item{data}{A data frame containing alignment information.} \item{metadata}{A data frame describing the columns of \code{data}, and with number of rows of \code{metadata} corresponding to number of columns of \code{data}. . The data frame must contain a column \code{labelDescription} providing a verbose description of each column of \code{data}.} \item{nrow}{An optional argument, to be used when \code{data} is not provided, to construct an AlignedDataFrame with the specified number of rows.} } \value{ An object of \code{\linkS4class{AlignedDataFrame}}. } \author{Martin Morgan } \keyword{manip}