[erlang-questions] Fwd: Re: Statistical modules

Paul Peregud <>
Mon Jun 18 23:24:53 CEST 2012


---------- Forwarded message ----------
From: "Paul Peregud" <>
Date: Jun 18, 2012 11:14 PM
Subject: Re: [erlang-questions] Statistical modules
To: "Eric Moritz" <>

No, this is true only for recently introduced "sliding window" type of
histograms. Both uniform and normal types sample from whole population.
On Jun 18, 2012 10:48 PM, "Eric Moritz" <> wrote:

> I believe folsom's histograms only keep 60 second windows on the
> histogram data.  That may lead to surprises if he's not using it for
> realtime histograms.   He can use bear directly to avoid what could
> become a subtle bug if things take longer than 60 to load.
>
> Eric.
>
> On Mon, Jun 18, 2012 at 2:15 PM, Dave Smith <> wrote:
> > Use folsom -- we'll eventually deprecate basho_stats in favor of that.
> >
> > D.
> >
> > On Sun, Jun 17, 2012 at 10:29 AM, Eric Moritz <>
> wrote:
> >> There's two projects that I'm aware of:
> >>
> >> https://github.com/boundary/bear is used by
> >> https://github.com/boundary/folsom
> >>
> >> And
> >> https://github.com/basho/basho_stats
> >>
> >> Which is used by https://github.com/basho/basho_bench
> >>
> >> Eric.
> >>
> >> On Jun 17, 2012 11:31 AM, "Alessandro Sivieri"
> >> <> wrote:
> >>>
> >>> Hi all,
> >>>
> >>> given the fact that searching this on the Web is quite hard, because
> >>> Erlang is also the name of a probability distribution: do you know if
> there
> >>> are modules for performing statistical operations on sets of data (like
> >>> average, median, standard deviation and such) in Erlang?
> >>>
> >>> --
> >>> Sivieri Alessandro
> >>> 
> >>> http://sivieri.wordpress.com/
> >>>
> >>>
> >>> _______________________________________________
> >>> erlang-questions mailing list
> >>> 
> >>> http://erlang.org/mailman/listinfo/erlang-questions
> >>>
> >>
> >> _______________________________________________
> >> erlang-questions mailing list
> >> 
> >> http://erlang.org/mailman/listinfo/erlang-questions
> >>
> _______________________________________________
> erlang-questions mailing list
> 
> http://erlang.org/mailman/listinfo/erlang-questions
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://erlang.org/pipermail/erlang-questions/attachments/20120618/a50dd736/attachment.html>


More information about the erlang-questions mailing list