Jason C. HandUber wrote:
Hello,
I'm writing an evolutionary algorithm in which each individual
contains StandardDeviations and Means. From time to time I need a deep
copy / clone of an individual. Thus far I've actually had to keep a
list of all data and, when cloning, generate a new statistic and
increment it with all that data. Now that I'm moving to production
level, turns out I'm running out of memory (no huge surprise). I'm
going to extend Mean, Variance, StandardDeviation, FirstMoment, and
SecondMoment for my application to provide a copy constructor (which,
according to Item 10, page 51 of Bloch's effective java, beats out
clone, and I buy that) for each. Anyway, I think that addition would
be easy and general enough to introduce into the trunk. Any thoughts?
+1 on this enhancement, also for SummaryStatistics, implemented as you
describe.
Please follow instructions here
<http://commons.apache.org/math/developers.html> to create a patch
against either trunk or the 2.0 development branch (/branches/MATH_2_0)
and attach it to a JIRA ticket.
Thanks!
Phil
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