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Re: st: In search of the lost precision


From   Gary Longton <glongton@fhcrc.org>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: In search of the lost precision
Date   Thu, 30 Jun 2011 15:39:15 -0700

<>
The precision is likely not lost, just hidden. I suspect the problem is with with the display format (%10.0g) and not the storage precision, as doubles should have 16 digits of accuracy.
see -help format-, and try:

  .format <varname> %17.0g
or
  .format <varname> %17.15f

- GL


On 6/30/2011 12:04 PM, Farshad Pourmalek wrote:

Is there a way to insheet 0.154143995764484 without losing precision?

I used Stata IC 9.1 for Windows as below

insheet using "C:\data\0.154143995764484.csv", clear
codebook
* It is float, %9.0g, .15414399, not .154143995764484

insheet using "C:\data\0.154143995764484.csv",clear double
codebook
* It is double, %10.0g, .1541439957645, not .154143995764484
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