+#' @section Methods:
+#' \describe{
+#' \item{\code{getSize()}}{
+#' Return number of series in dataset.}
+#' \item{\code{getStdHorizon()}}{
+#' Return number of time steps from serie[1] until midnight}
+#' \item{\code{appendHat(time, exo_hat)}}{
+#' New estimated exogenous variables + time}
+#' \item{\code{append(serie, exo)}}{
+#' New measured data; call *after* \code{appendHat()}}
+#' \item{\code{getTime(index)}}{
+#' Get times at specified index.}
+#' \item{\code{getCenteredSerie(index)}}{
+#' Get (measured or predicted) centered serie at specified index.}
+#' \item{\code{getCenteredSeries(indices)}}{
+#' Get centered series at specified indices (in columns).}
+#' \item{\code{getLevel(index)}}{
+#' Get level at specified index.}
+#' \item{\code{getSerie(index)}}{
+#' Get serie (centered+level) at specified index.}
+#' \item{\code{getSeries(indices)}}{
+#' Get series at specified indices (in columns).}
+#' \item{\code{getExoHat(index)}}{
+#' Get predicted exogenous variables at specified index.}
+#' \item{\code{getExo(index)}}{
+#' Get exogenous variables at specified index.}
+#' \item{\code{removeFirst()}}{
+#' Remove first list element (if truncated).}
+#' \item{\code{removeLast()}}{
+#' Remove last list element (if truncated).}
+#' }