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Re: st: Randomly change a date in Stata

From   Nick Cox <>
Subject   Re: st: Randomly change a date in Stata
Date   Tue, 19 Jun 2012 11:18:08 +0100

A random integer from a discrete uniform on the integers [-5,5] is

ceil(11 * runiform()) - 6

so you just add that, or equivalently subtract it. -set seed- first
for reproducibility.


On Tue, Jun 19, 2012 at 10:58 AM, Tim Evans <> wrote:

> I have dates of birth which for the purpose of anonymity in a dataset, I wish to generate a new 'annoynmised date of birth' whereby for a list of dates, I randomly add or subtract up to 5 days and generate the new date. Does anyone have a suggestion as to how I might do this in Stata?
> I'm using Stata 11.2 and the dates are in date format (i.e. not strings).

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