[Rd] bug in prcomp (PR#8994)

[Peter Dalgaard]

KjetilBrinchmannHalvorsen at gmail.com writes:

> The following seems to be an bug in prcomp():
...
>  > prcomp(test, scale.=TRUE, na.action=na.omit)
> Erro en svd(x, nu = 0) : infinite or missing values in 'x'
>  > prcomp(na.omit(test), scale.=TRUE, na.action=na.omit)

Nope. We've been here before: The _formula_method_ for prcomp takes an
na.action argument, the default method does not. If you read closely,
you'll see that this is in accordance with documentation. 


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