\name{empiricalStart} \alias{empiricalStart} \title{Empirical starting values for the MCMC} \description{ Empirical starting values for the MCMC are based on data in objects of class \code{ExpressionSetList} } \usage{ empiricalStart(object, zeroNu = FALSE) } \arguments{ \item{object}{An object of class \code{ExpressionSetList}} \item{zeroNu}{Logical: if TRUE, the nu in the Bayesian model are not modeled -- set to zero and not updated in the MCMC. Setting zeroNu to TRUE should be regarded as experimental} } \value{ An object of class \code{XdeParameter} } \author{R. Scharpf} \seealso{ \code{\link{zeroNu}}, \code{\link{XdeParameter-class}}, \code{\link{ExpressionSetList-class}}} \keyword{methods}