Hi!

Just to share a bit our progresses about Grapher. 

***** Box plots *****

A box and whisker plot is a diagram showing statistical distribution of a data set. This is highly important as soon as you need to understand the distribution of some data.

Here is an example:

b := RTGrapher new.

b extent: 50 @ 300.

ds := RTBoxPlotDataSet new.

ds points: #(4.3  5.1  3.9  4.5  4.4  4.9  5.0  4.7  4.1  4.6  4.4  4.3  4.8  4.4  4.2  4.5  4.4).

b add: ds.

b axisX noLabel; noTick.

b

Another example with outliers:

b := RTGrapher new.

b extent: 50 @ 300.

ds := RTBoxPlotDataSet new.

ds points: #(14 15 16 16 17 17 17 17 17 18 18 18 18 18 18 19 19 19 20 20 20 20 20 20 21 21 22 23 24 24 29).

b add: ds.

b axisX noLabel; noTick.

b

Slightly more elaborated example:

b := RTGrapher new.

b extent: 400 @ 200.

RTShape withAllSubclasses do: [ :cls |

ds := RTBoxPlotDataSet new.

ds points: (cls methods collect: #numberOfLinesOfCode).

b add: ds.

].

b

***** Tick Improvement *****

Ticks are now much nicer. Consider the following script:

b := RTGrapher new.

ds := RTDataSet new. 

ds dotShape color: Color red. 

ds points: #(5 1 20 8).

b add: ds.

b addDecorator: (RTAverageDecorator new withLabel; labelConvertion: [ :value | ' average = ', (value round: 2) asString ]).

b build.

b

Before:

Now:

Not a big deal, but this is much nicer.

Cheers,

Alexandre

-- 
_,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
Alexandre Bergel  http://www.bergel.eu
^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.

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