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Jfreecharts in RM

venkatesh20

Hi,
Is it possible to use Jfreecharts in rapidminer? is there any example usage for the same

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MariusHelf

What do you mean by using them? For examples you can have a look at the plotting implementation, both the old Plot view and the new Advanced Charts use JFreeChart under the hood.

Best, Marius

venkatesh20

Hello,
I want to create a custom Jpanel which contains 4 scatter plots, I want to show this in real time as the learner is running. Any pointers on how to create such custom graphs? for real time updates of single scatter plot, i find there is already an example from evolutionary optimization. But I would like to create a custom Jpanel with 4 charts embedded in the same panel. Thanks in advance

MariusHelf

First of all, real-time graphs in a separate window are against the RapidMiner design constraints - imagine you put your operator into a loop which runs a hundred times - you would end up with a hundred windows on screen. And what happens if your process runs on a headless machine? (the evolutionary optimization is just a remnant

Apart from that, you can use the JFreeChart panel just as any other java panel and use in it layouts etc. You could create 4 JFreeCharts and put them e.g. into a GridLayout with two rows and two columns.

Best, Marius