+#' @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{append(new_time, new_centered_serie, new_level, new_exo, new_exo_hat)}}{
+#' Acquire a new vector of lists (time, centered_serie, level, exo, exo_hat).}
+#' \item{\code{getTime(index)}}{
+#' Get times at specified index.}
+#' \item{\code{getCenteredSerie(index)}}{
+#' Get 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{getExo(index)}}{
+#' Get exogenous variables at specified index.}
+#' \item{\code{getExoHat(index)}}{
+#' Get estimated exogenous variables at specified index.}
+#' }