\name{cghCall} \docType{class} \alias{class:cghCall} \alias{cghCall} \alias{cghCall-class} \alias{copynumber,cghCall-method} \alias{copynumber<-,cghCall,matrix-method} \alias{segmented,cghCall-method} \alias{segmented<-,cghCall,matrix-method} \alias{calls,cghCall-method} \alias{calls<-,cghCall,matrix-method} \alias{probloss,cghCall-method} \alias{probloss<-,cghCall,matrix-method} \alias{probnorm,cghCall-method} \alias{probnorm<-,cghCall,matrix-method} \alias{probgain,cghCall-method} \alias{probgain<-,cghCall,matrix-method} \alias{probamp,cghCall-method} \alias{probamp<-,cghCall,matrix-method} \alias{chromosomes,cghCall-method} \alias{bpstart,cghCall-method} \alias{bpend,cghCall-method} \alias{initialize,cghCall-method} \alias{plot,cghCall,missing-method} \alias{plot.summary,cghCall,missing-method} \title{ Class to contain and describe called array comparative genomic hybridization data. } \description{ Container for aCGH data and experimental metadata. \code{cghCall} class is derived from \code{\link[Biobase]{eSet}}, and requires the following matrices of equal dimension as assayData members: \itemize{ \item \code{copynumber} \item \code{segmented} \item \code{calls} \item \code{probloss} \item \code{probnorm} \item \code{probgain} } Furthermore, columns named \code{Chromosome}, \code{Start}, and \code{End} are required as featureData members, containing feature position information. } \section{Extends}{ Directly extends class \code{\link[Biobase]{eSet}}. } \section{Creating Objects}{ \code{new('cghCall', phenoData = [AnnotatedDataFrame], experimentData = [MIAME], annotation = [character], copynumber = [matrix], segmented = [matrix], calls = [matrix], probloss = [matrix], probnorm = [matrix], probgain = [matrix], featureData = [AnnotatedDataFrame], ...) } An object of class \code{cghCall} is generally obtained as output from \code{\link{CGHcall}}. } \section{Slots}{ Inherited from \code{eSet}: \describe{ \item{\code{assayData}:}{Contains matrices with equal dimensions, and with column number equal to \code{nrow(phenoData)}. \code{assayData} must contain the following matrices \itemize{ \item \code{copynumber} \item \code{segmented} \item \code{calls} \item \code{probloss} \item \code{probnorm} \item \code{probgain} } with rows represening array probes and columns representing samples. Additional matrices of identical size (e.g., representing measurement errors) may also be included in \code{assayData}. Class:\code{\link[Biobase]{AssayData-class}}} \item{\code{phenoData}:}{See \code{\link[Biobase]{eSet}}} \item{\code{featureData}:}{An \code{\link[Biobase]{AnnotatedDataFrame}} with columns \code{Chromosome}, \code{Start}, and \code{End} containing array element position data.} \item{\code{experimentData}:}{See \code{\link[Biobase]{eSet}}} \item{\code{annotation}:}{See \code{\link[Biobase]{eSet}}} } } \section{Methods}{ Class-specific methods. \describe{ \item{\code{copynumber(cghCall)}, \code{copynumber(cghCall,matrix)<-}}{Access and set elements named \code{copynumber} in the \code{AssayData-class} slot.} \item{\code{segmented(cghCall)}, \code{segmented(cghCall,matrix)<-}}{Access and set elements named \code{segmented} in the \code{AssayData-class} slot.} \item{\code{calls(cghCall)}, \code{calls(cghCall,matrix)<-}}{Access and set elements named \code{calls} in the \code{AssayData-class} slot.} \item{\code{probloss(cghCall)}, \code{probloss(cghCall,matrix)<-}}{Access and set elements named \code{probloss} in the \code{AssayData-class} slot.} \item{\code{probnorm(cghCall)}, \code{probnorm(cghCall,matrix)<-}}{Access and set elements named \code{probnorm} in the \code{AssayData-class} slot.} \item{\code{probgain(cghCall)}, \code{probgain(cghCall,matrix)<-}}{Access and set elements named \code{probgain} in the \code{AssayData-class} slot.} \item{\code{chromosomes}, \code{bpstart}, \code{bpend}}{Access the chromosomal positions stored in \code{featureData}} \item{plot}{Create a plot containing log2ratios, segments and call probabilities ordered by chromosomal position. TWO EXTRA OPTIONS PLUS DEFAULTS: dotres=10. Every dotres-th log2-ratio is plotted. dotres=1 plots all data. However, higher values save a lot of space and allow quicker browsing of the plots. ylimit=c(-5,5): limits of the y-axis} \item{plot.summary}{Create a plot summarizing the call probabilities of all samples} } See \code{\link[Biobase]{eSet}} for derived methods. } \author{Sjoerd Vosse} \seealso{ \code{\link[Biobase]{eSet-class}}, \code{\link{cghRaw-class}}, \code{\link{cghSeg-class}} } \examples{ # create an instance of cghCall new("cghCall") # create an instance of cghCall through \code{\link{ExpandCGHcall}} \dontrun{ data(Wilting) rawcgh <- make_cghSeg(Wilting) normalized <- normalize(rawcgh) segmented <- segmentData(normalized) listcalled <- CGHcall(segmented) called <- ExpandCGHcall(listcalled,segmented) # plot the first sample. Default only every 10th log2-ratio is plotted (dotres=10). Adjust using dotres= option below. plot(called[,1]) # plot the first chromosome of the first sample plot(called[chromosomes(called)==1,1]) # get the copynumber values of the third and fourth sample log2ratios <- copynumber(called[,3:4]) # get the names of the samples sampleNames(called) # get the names of the array elements featureNames(called) } } \keyword{classes}