[R] weighted standard deviation

Jorge Ivan Velez jorgeivanvelez at gmail.com
Wed Dec 3 18:11:26 CET 2008

Dear Humphrey,
Take a look at ?wtd.mean in Hmisc.



On Wed, Dec 3, 2008 at 5:43 AM, Humphrey Kaunda <hkaunda at mcti.gov.zm> wrote:

> Please assist, how do you find the weighted standard deviation?
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> and provide commented, minimal, self-contained, reproducible code.

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