For you information there is an histogram implementation in polymath (check the associated book on http://books.pharo.org) where the buckets grow by auto adjust.
I discussed with didier besset and he told me that good histogram and not just putting my hand data in buckets. 

Stef

On 6 Apr 2018, at 00:46, Brennan Cleveland <cluvius2000@hotmail.com> wrote:

Alexandre,

Sure, I'm implementing pie charts and histograms for Dictionary also.   Let me know what next steps might be for properly finishing the existing histogram implementation...

Brennan

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Today's Topics:

  1. Re: RTHistorgramSet does not implement xScale/yScale
     (Alexandre Bergel)


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Message: 1
Date: Wed, 28 Mar 2018 22:01:47 -0300
From: Alexandre Bergel <alexandre.bergel@me.com>
To: Moose-related development <moose-dev@list.inf.unibe.ch>
Subject: [Moose-dev] Re: RTHistorgramSet does not implement
xScale/yScale
Message-ID: <C5AEA9B4-82C4-490D-B56E-D68AAEB74B75@me.com>
Content-Type: text/plain; charset=us-ascii

Hi Brennan,

The implementation of the histogram was never properly finished.
It would be fantastic to build a new implementation. It should not be that hard actually.

We could have discussion if you wish to help :-)

Cheers,
Alexandre


On Mar 23, 2018, at 6:43 PM, Brennan Cleveland <cluvius2000@hotmail.com> wrote:

Hi,

The 'histogram' method on SequenceableCollection added by Roassal2 fails due to xScale/yScale not being implemented on RTHistogramSet.

I added implementations of both as:

^ RTLinearTransformation instance.

to RTHistogramSet which at least gets a histogram working.  I'm not sure what the proper fix actually is.  I thought maybe adding this implementation on RTAbstractDataset would be the right thing to do...

Thanks,

Brennan


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