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authorSuraj Yerramilli2016-03-16 19:23:55 +0530
committerSuraj Yerramilli2016-03-16 19:23:55 +0530
commit5e2cb5898aff4b15e5d9a14576c001c52684ddba (patch)
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Updating iv documentation
Diffstat (limited to 'man/iv.Rd')
-rw-r--r--man/iv.Rd14
1 files changed, 1 insertions, 13 deletions
diff --git a/man/iv.Rd b/man/iv.Rd
index 54d44d2..880aeb4 100644
--- a/man/iv.Rd
+++ b/man/iv.Rd
@@ -34,18 +34,6 @@ Estimates an ARX model of the specified order from input-output data using
the instrument variable method. If arbitrary instruments are not supplied
by the user, the instruments are generated using the arx routine
}
-\details{
-SISO ARX models are of the form
-\deqn{
- y[k] + a_1 y[k-1] + \ldots + a_{na} y[k-na] = b_{nk} u[k-nk] +
- \ldots + b_{nk+nb} u[k-nk-nb] + e[k]
-}
-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.
-}
\examples{
data(arxsim)
mod_iv <- iv(z,c(2,1,1))
@@ -59,6 +47,6 @@ Lennart Ljung (1999), \emph{System Identification: Theory for the User},
2nd Edition, Prentice Hall, New York. Section 7.6
}
\seealso{
-arx
+\code{\link{arx}}, \code{\link{iv4}}
}