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Chris Carozza's Blog (3)

Looking for data mining software?

Which data mining software do you recommend, I would like to learn to use this software to mine data from web pages or perhaps directly from files on my computer.

I'm new to data mining and am interested in a software program that is free. I've seen quite a few software programs out there, which one would be best to start with.

Added by Chris Carozza on September 8, 2010 at 6:18am — No Comments

What do you do with a multiple variable model that has a low correlation coefficient (R2)?

OK so I've spent hours trying to maximize the R2 of a multiple variable model and the R2 is still low (ex. <50%). Should I become discouraged and put the model aside; I used expensive professional statistical analysis software.…


Added by Chris Carozza on September 7, 2010 at 6:29am — 5 Comments

Market fluctuations and predictions

Fluctuations - Markets often fluctuate by +/- 2% on a day-to-day basis. Graphs of market trends are up-dated on-line and in real-time on various web sites.

An example of this is the DJI average which increased by 1.65% today (2010-08-28).

DJI (Daily)

However, it's…


Added by Chris Carozza on August 28, 2010 at 7:30pm — 2 Comments

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