[R] Calculate variance/covariance with complex numbers

[Jim Lemon]

On 03/29/2010 04:17 AM, Charles C. Berry wrote:
> ...
> Argh! Sorry for the 'thinko' (like a 'typo', but a misapplication of the
> brain rather than the fingers)!
>
Well, a typo is the _result_ of a misapplication of the fingers to a 
keyboard, so I would expect that if the result of thinking can be called 
a meme, then the appropriate term for the mistake would be a memo. I 
have seen plenty of examples.

Jim