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st: ameans and add(#)


From   Garry Anderson <g.anderson@unimelb.edu.au>
To   statalist@hsphsun2.harvard.edu
Subject   st: ameans and add(#)
Date   Mon, 07 May 2007 19:26:41 +1000

Hi,

If one includes the add(#) option to -ameans- so that # is added to a variable and then ameans calculates the geometric mean and its 95%CI, should one subtract # (or some other value) from the geometric mean and 95%CI ?

If the lower limit of the 95%CI is below zero after subtracting #, the lower limit would presumably be truncated to zero.

Kind regards, Garry

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