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-rw-r--r--R/estpoly.R9
1 files changed, 9 insertions, 0 deletions
diff --git a/R/estpoly.R b/R/estpoly.R
index c47d1ff..a2bf7de 100644
--- a/R/estpoly.R
+++ b/R/estpoly.R
@@ -94,6 +94,15 @@ plot.estpoly <- function(model,newdata=NULL){
geom_abline(intercept=0,slope=1,colour="#D55E00") + geom_point()
}
+#' Plot residual characteristics
+#'
+#' Computes the 1-step ahead prediction errors (residuals) for an estimated polynomial
+#' model, and plots auto-correlation of the residuals and the
+#' cross-correlation of the residuals with the input signals.
+#'
+#' @param model estimated polynomial model
+#' @param newdata an optional dataset on which predictions are to be computed. If
+#' not supplied, predictions are computed on the training dataset.
#' @export
residplot <- function(model,newdata=NULL){
if(is.null(newdata)){