[R] Weighted SD

Peter Ehlers ehlers at ucalgary.ca
Mon Feb 1 19:13:51 CET 2010

Антон Морковин wrote:
> Dear all,
> what function can be used to calculate weighted SD or/and SE¿
> There's no such stuff in 'base' package.

There's wtd.var() in the Hmisc package. Or you could make
suitable use of stats::weighted.mean().

  -Peter Ehlers

> Best regards,
> A.A.Morkovin
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Peter Ehlers
University of Calgary

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