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authorSuraj Yerramilli2016-03-22 10:50:25 +0530
committerSuraj Yerramilli2016-03-22 10:50:25 +0530
commitde5a8ba3db10e1e8ba430a806bb2e561a12234fd (patch)
treeac827bfa2c6e3ea941cd364408b7890ca5dc4cc5
parentba996f8628777cb4d448f5b7f5aac1e35ce060b0 (diff)
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updating the documentation
-rw-r--r--R/estpoly.R3
-rw-r--r--man/arx.Rd5
2 files changed, 7 insertions, 1 deletions
diff --git a/R/estpoly.R b/R/estpoly.R
index 6589291..ed43671 100644
--- a/R/estpoly.R
+++ b/R/estpoly.R
@@ -136,6 +136,9 @@ residplot <- function(model,newdata=NULL){
#' \cr
#' The data is expected to have no offsets or trends. They can be removed
#' using the \code{\link{detrend}} function.
+#' \cr
+#' To estimate finite impulse response(\code{FIR}) models, specify the first
+#' order to be zero.
#'
#' @return
#' An object of class \code{estpoly} containing the following elements:
diff --git a/man/arx.Rd b/man/arx.Rd
index c47b1e0..c322e72 100644
--- a/man/arx.Rd
+++ b/man/arx.Rd
@@ -48,7 +48,10 @@ The function estimates the coefficients using linear least squares (with
regularization).
\cr
The data is expected to have no offsets or trends. They can be removed
-using the \code{\link{detrend}} function.
+using the \code{\link{detrend}} function.
+\cr
+To estimate finite impulse response(\code{FIR}) models, specify the first
+order to be zero.
}
\examples{
data(arxsim)