CovControlOgk-class {rrcov} | R Documentation |
This class extends the CovControl
class
and contains the control parameters for "CovOgk"
Objects can be created by calls of the form new("CovControlOgk", ...)
or by calling the constructor-function CovControlOgk
.
tau scale
defined in
Yohai and Zamar (1998) scaleTau2
-
the scale 'tau' function defined in Yohai and Zamar (1998)gk
, the one proposed by Gnanadesikan and Kettenring (1972).
trace
, tolSolve
:"CovControl"
class.
Class "CovControl"
, directly.
signature(obj = "CovControlOgk")
: the generic
function restimate
allowes the different methods for robust estimation to be
used polymorphically - this function will call CovOgk
passing it the control
object and will return the obtained CovRobust
objectValentin Todorov valentin.todorov@chello.at
Todorov V & Filzmoser P (2009), An Object Oriented Framework for Robust Multivariate Analysis. Journal of Statistical Software, 32(3), 1–47. URL http://www.jstatsoft.org/v32/i03/.
## the following two statements are equivalent ctrl1 <- new("CovControlOgk", beta=0.95) ctrl2 <- CovControlOgk(beta=0.95) data(hbk) CovOgk(hbk, control=ctrl1)