Category Archives: RapidMiner

Using SVM Kernels for Time Series Analysis

Posted on January 24, 2012 by Tom

I wanted to share two research papers that are invaluable to anyone trying to use Support Vector Machines (SVM) for modeling the stock market.  One written by an author well known to the Rapid-I team, and another by Korean researcher. … Continue reading →

Posted in RapidMiner, Stocks, Tutorials | 2 Comments

Rapidminer Sample Process: Multiply Data

Posted on January 23, 2012 by Tom

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 … Continue reading →

Posted in RapidMiner, Tutorials | Leave a comment

Rapidminer Sample Process: Financial Text Mining

Posted on January 19, 2012 by Tom

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 … Continue reading →

Posted in RapidMiner, Text Mining, Tutorials | 2 Comments

Rapidminer Sample Process: Parameter Optimization

Posted on January 18, 2012 by Tom

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 … Continue reading →

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Text Mining Blog Keywords In Rapidminer and Google Analytics

Posted on March 18, 2011 by Tom

So I finally got around to downloading some keyword data from Google Analytics for the time period of 2/17/11 through 3/17/11 just to see what’s driving my site traffic.  I did a simple text mining process in Rapidminer to build my keyword … Continue reading →

Posted in Blogging Tips, Data Visualization, iMarketing, RapidMiner, Text Mining | 6 Comments

Referrers to Neural Market Trends

Posted on March 18, 2011 by Tom

I use Google Analytics and I probably should use more it in conjuction with Rapidminer to do more data modeling, but it’s a question of free time; something that’s a luxury right now. For fun I’m posting my top 10 referrers for … Continue reading →

Posted in Blogging Tips, iMarketing, RapidMiner | Leave a comment

Statistics – An Introduction to R

Posted on March 16, 2011 by Tom

I’m sure you’ve noticed that I put Google Ad’s back on this site. Don’t worry, I’m doing this on a temporary basis because I want you guys to help support my book habit! I admit, I’m a book junkie. These … Continue reading →

Posted in Products, R Statistics, RapidMiner | 1 Comment

R and Rapidminer Together = Disruptive Technology!

Posted on March 5, 2011 by Tom

I’ve been teaching myself R now that I finally got Rapidminer’s R plugin to work.  It’s  pretty slick program and easy to learn, I’ve picked up so many things quickly.  I extensively use the PerformanceAnalytics, Quantmod, and tseries packages for … Continue reading →

Posted in R Statistics, RapidMiner | Leave a comment

Slick Stock Charts in R

Posted on March 1, 2011 by Tom

I’m picking up R really fast!  I made these simple charts in like 10 minutes!  Of course my code could be better, but its a start for yours truly.   Now if only I can get R to work with … Continue reading →

Posted in Data Visualization, R Statistics, RapidMiner | 4 Comments

Rapidminer 5.0 Video Tutorial #14 – Web Mining Financial Web Sites – Part 1

Posted on February 28, 2011 by Tom

In this Rapidminer Video Tutorial I show the user how to use the web crawling and text mining operators to download 4 web pages, build a word frequency list, and then check out the similarities between the web sites. [flashvideo … Continue reading →

Posted in RapidMiner, Text Mining, Tutorials, Video | 2 Comments

Quantmod Package in R

Posted on February 27, 2011 by Tom

I finally discovered the quantmod package for R, and I’m finally getting around to learning the darn software.  I think I’m going to abandon learning Python because R appears to do everything that I needit to do, AND it just … Continue reading →

Posted in R Statistics, RapidMiner | 3 Comments

Rapidminer 5.0 Video Tutorial #13 – Parameter Optimization

Posted on February 26, 2011 by Tom

In this Rapidminer Video Tutorial I show the user how to use the Parameter Optimization operator to optimize your trained data.  The example shows how Rapidminer iterates the learning rate and momentum for a Neural Net Operator to increase the performance of … Continue reading →

Posted in RapidMiner, Video | Leave a comment