CovNAClassic-class | R Documentation |

The class `CovNAClassic`

represents an estimate of the
multivariate location and scatter of an incomplete data set. The class `CovNAClassic`

objects contain the classical estimates.

Objects can be created by calls of the form `new("CovNAClassic", ...)`

,
but the usual way of creating `CovNAClassic`

objects is a call to the function
`CovNAClassic`

which serves as a constructor.

`call`

:Object of class

`"language"`

`cov`

:covariance matrix

`center`

:location

`n.obs`

:number of observations used for the computation of the estimates

`mah`

:mahalanobis distances

`method`

:a character string describing the method used to compute the estimate: "Classic"

`singularity`

:a list with singularity information for the ocvariance matrix (or

`NULL`

of not singular)`X`

:data

- plot
`signature(x = "CovNAClassic")`

: plot the object

Valentin 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.
<doi:10.18637/jss.v032.i03>.

```
data(bush10)
cv <- CovNAClassic(bush10)
cv
summary(cv)
```

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