[GTALUG] mysterious restarts

Jamon Camisso jamon.camisso at utoronto.ca
Wed Jun 22 13:25:11 EDT 2016


On 2016-06-22 17:46, D. Hugh Redelmeier via talk wrote:
> Remember, he truncated the values (grep does not round).
> 
> My best guess:  the average of the readings would be from a
> distribution centred on 59.996435 (0.005 larger than Lennart
> calculated).  It could be as low as 59.991435 or as high as 60.991434,
> assuming six digits of precision in the fraction.  I know nothing
> about accuracy of the device.
> 
> Summary: the 60Hz hypothesis is not excluded by the evidence.  Far
> from it.
> 
> P.S. "grep -c" eliminates the need for "wc -l".

and sort/uniq eliminate even more:

cat /tmp/MGC|sort -n |uniq -c
  16 FREQ value 59.95
  99 FREQ value 59.96
 282 FREQ value 59.97
 464 FREQ value 59.98
 459 FREQ value 59.99
 385 FREQ value 60.00
 302 FREQ value 60.01
 144 FREQ value 60.02
  68 FREQ value 60.03
   3 FREQ value 60.04


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