Nice job!

Doru

On Thu, Apr 23, 2015 at 2:48 PM, Alexandre Bergel alexandre.bergel@me.com wrote:

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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