-#' Get times at specified index.}
-#' \item{\code{getCenteredSerie(index, hat=FALSE)}}{
-#' Get (measured or predicted) centered serie at specified index.}
-#' \item{\code{getCenteredSeries(indices, hat=FALSE)}}{
-#' Get centered series at specified indices (in columns).}
-#' \item{\code{getLevel(index, hat=FALSE)}}{
-#' Get level at specified index.}
-#' \item{\code{getSerie(index, hat=FALSE)}}{
-#' Get serie (centered+level) at specified index.}
-#' \item{\code{getSeries(indices, hat=FALSE)}}{
-#' Get series at specified indices (in columns).}
-#' \item{\code{getExo(index, hat=FALSE)}}{
-#' Get exogenous variables at specified index.}
+#' Times (vector) at specified index.}
+#' \item{\code{getCenteredSerie(index)}}{
+#' Centered serie at specified index.}
+#' \item{\code{getCenteredSeries(indices)}}{
+#' Centered series at specified indices (in columns).}
+#' \item{\code{getLevel(index)}}{
+#' Level at specified index.}
+#' \item{\code{getSerie(index)}}{
+#' Serie (centered+level) at specified index.}
+#' \item{\code{getSeries(indices)}}{
+#' Series at specified indices (in columns).}
+#' \item{\code{getExoHat(index)}}{
+#' Predicted exogenous variables at specified index.}
+#' \item{\code{getExo(index)}}{
+#' Measured exogenous variables at specified index.}
+#' \item{\code{removeFirst()}}{
+#' Remove first list element (if truncated).}
+#' \item{\code{removeLast()}}{
+#' Remove last list element (if truncated).}