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Re: st: Identifying unique values with codebook


From   [email protected] (William Gould, StataCorp LP)
To   [email protected]
Subject   Re: st: Identifying unique values with codebook
Date   Thu, 17 Jun 2010 10:03:17 -0500

In the last paragraph of my posting on preicision yesterday, I wrote

>   For -double-, 52 binary digits are assigned to the significand, 
>   and thus the largest integer-valued double not subject to rounding 
>   is (2^52)-1 =  4,503,599,627,370,495, which means 15.65 digits.


The paragraph should read, 

    For -double-, 52 binary digits are assigned to the significand, 
    and thus the largest integer-valued double not subject to rounding 
    is (2^53)-1 =  9,007,199,254,740,991, which means 15.95 digits.
          ^^      ^^^^^^^^^^^^^^^^^^^^^^              ^^^^^

-- Bill
[email protected]
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