[PD] [array quantile] explanation
reduzent at gmail.com
Mon Oct 28 22:24:58 CET 2019
On Mon, 2019-10-28 at 13:50 -0700, Miller Puckette wrote:
> but not with perfect accuracy.
I don't mind.
> You have to make a histogram of the
> samples (choosing some bin size;
Forgive my ignorance, but how can I create a histogram out of an
unordered set of samples? Do I just iterate over all samples "manually"
and count up the bin depending on in which bin it falls?
> that's what limits accuracy) and then
> array qualtile will do exactly what you're looking for.
So [array quantile] is meant to be used on a histogram of the raw data,
as opposed to the raw data directly? That's why it returns something
that looks like an index, namely the index of the bin of your
> I use it for instance to do automatic level setting. I ask for the
> quamtile of env~ output (in dB) over a period of 10 seconds or so.
Thanks, this I understand and is very similar to the stuff I'm
> On Sun, Oct 27, 2019 at 02:46:29PM +0100, Roman Haefeli wrote:
> > Hi all
> > I am having difficulty understanding the output of [array
> > quantile].
> > From the help-file it seems it expects an input between 0 and 1,
> > and
> > also the values in the array should be in that range. The output
> > seems
> > to be in the range between 0 and <array-size> - 1. But what does it
> > mean?
> > Can I use this somehow to achieve this:
> > I have n samples and input q while 0 < q < 1. I would like to know
> > the
> > value x for which q*100 percent samples are smaller than x and (1-
> > q)*100 percent bigger.
> > Thanks,
> > Roman
> > _______________________________________________
> > Pd-list at lists.iem.at mailing list
> > UNSUBSCRIBE and account-management ->
> > https://lists.puredata.info/listinfo/pd-list
-------------- next part --------------
A non-text attachment was scrubbed...
Size: 488 bytes
Desc: This is a digitally signed message part
More information about the Pd-list