#' β <- matrix(c(1,-2,3,1),ncol=2)
#' mr <- multiRun(...) #see bootstrap example in ?multiRun
#' #mr[[i]] is a list of estimated parameters matrices
#' β <- matrix(c(1,-2,3,1),ncol=2)
#' mr <- multiRun(...) #see bootstrap example in ?multiRun
#' #mr[[i]] is a list of estimated parameters matrices