Tips and Tricks Using Rapidminer

Finally got around to making a few new videos. This one is about using the Union operator and it saved me from a Sunday night of hell. Hope you find this useful! More videos to come, as time permits.

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Random Forest Trees in RapidMiner

I was fooling around yesterday with the Random Forest Tree operator in Rapidminer because of this post on Revolution Analytics (great website BTW). I downloaded their data set, imported it into a repository, built a simple process, and sampled a...

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Rapidminer Sample Process - Multiply Data

I often use the Multiply operator to make copies of my data set and feed it into different learners. I do this because sometimes I don't know if a Neural Net operator, or a SVM operator, give me better performance. Once I know which operator...

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Rapidminer Sample Process Financial Text Mining

This is the sample Rapidminer process I used in Video #14. Just download the text file and import into into RM using the import process function. Please note, you will need to create the Excel spreadsheet yourself, as I show you in the video....

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Rapidminer Sample Process: Parameter Optimization

Below is a simple parameter optimization process in Rapidminer using the Iris data set. Download the TXT file and import it into Rapidminer. Of course, you may use whatever data set you want and switch out the learner. Make sure to update the...

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