Hi,
I’m new to KNIME and I would like to know what’s the best way, if possible, to performe Monte Carlo Simulations using KNIME. Trough R? There’s a natural KNIME language I can use?
Thanks in advance and sorry for this newbie question.
Rick
I would say, that writing your own node is the best solution. I’m not sure though, what R offers in that direction.
Forgot to say, that Java is the natural KNIME language 
Hello Rick,
I did a sample workflow with a kind of Monte Carlo setup. You can check it here, although it requires HiTS to load it (if I remember well the generation of a random distribution does not require).
gabor
Wow! A node for monte carlo simulations would be very helpful!
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Currently I don’t believe so, at least not in a self-contained node or component.
There is a blog post by one of our partners on methods for implementing Monte Carlo manually:
And associated workflow on the Hub:
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good evening guys
I just downloaded the pi approx wf…it runs ok but at the end the lineplot is approaching arround 9.5 instead of pi… I compared the wf with the doc and there are no evident errors… can you pls shed some light to this?
We’d have to ask @pwisneskey for sure, but after a very quick glance at the workflow, maybe he’s missing a sqrt() in his Math Formula nodes?
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I am happy to take a look at it. There should be (and was) a square root at the end. I’ll let you know what I find shortly. Thank you!
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Scot was completely correct - the sqrt() was missing from the formulas at the end of the version on the KNIME hub. My local copy was correct so I have pushed the corrected version up to the KNIME hub. Sorry for the trouble and thank you for reporting it.
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thnx guys! looking forward to give it a try!
Monte Carlo is a very popular solving approach and I hope that one day KNIME comes up with an elegant solution for this…
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