727 search results for "FINANCE"

Why Use R?

December 14, 2010
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I use R very frequently and take for granted much that it has to offer.  I forget how R is different from similar tools, so I have trouble communicating the benefits of using R.  The goal of this post is to highlight R's main strengths, but first... my story.How I got started with RI was introduced...

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Why Use R?

December 14, 2010
By

I use R very frequently and take for granted much that it has to offer.  I forget how R is different from similar tools, so I have trouble communicating the benefits of using R.  The goal of this post is to highlight R's main strengths, but first... my story.How I got started with RI was introduced...

Read more »

White Bull, An Algorithm in R

December 11, 2010
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White Bull, An Algorithm in R

Algorithms are curious creatures. They behave in a very predictable way. They do as they are told and do it the same way every time. What they lack in imagination, they make up in reliability. You cannot talk an algorithm into saying something it's not...

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3 weak days in a row

December 6, 2010
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3 weak days in a row

Recently, Trading the odds posted one of many flavors of mean reverting strategies and I decided to get my hands dirty by writing R code and testing it. You can find full description of the strategy by following latter link above. Long story short – if SPY shows lower open, high and close 3 days in

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Online Resources for Learning R

December 1, 2010
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Online Resources for Learning R

Online classes are an easy and convenient way to learn more about a topic of interest. Not surprisingly, there are a variety of online resources, free and otherwise, to learn more about R. From online graduate classes, to the more “learn at your own pace” approach, here are some resources I have found useful: Programming

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Top 10 things that suck about Sweave

December 1, 2010
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Top 10 things that suck about Sweave

People rave about Sweave and the literate programing paradigm and I am guilty as charged. I speak Sweave, I think Sweave, I dream Sweave. As a matter of fact my default mode of operation is Sweave and anything else is an … Continue reading →

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Life Is Short, Use Python

November 24, 2010
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Life Is Short, Use Python

Life is short, use PythonI started to play with Python two weeks ago due to the limitation of R in terms of handling large data, then a friend of mine suggested me to try Python since I had to do data massage frequently, "Python is the best choice, trust me", he...

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Finally! A practical R book on Data Mining: "Data Mining With R, Learning with Case Studies," by Luis Torgo

November 19, 2010
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Finally! A practical R book on Data Mining:  "Data Mining With R, Learning with Case Studies," by Luis Torgo

I've been a bit busy lately with a few big things, however, I wanted to stop by and mention a fantastic book for those who have been following along the R examples.  Anyone who's followed my blog knows that I'm big on practical books with examples...

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Rapidminer + R Example for Trading

November 18, 2010
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Rapidminer + R Example for Trading

RapidMiner + R is an advanced tool that can be used to analyze trading strategies, In order to check its power I made a simple example using an algorithm based on a support vector machine for predicting the next day's price and based on it I generated ...

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Rapidminer + R Example for Trading

November 18, 2010
By
Rapidminer + R Example for Trading

RapidMiner + R is an advanced tool that can be used to analyze trading strategies, In order to check its power I made a simple example using an algorithm based on a support vector machine for predicting the next day's price and based on it I generated ...

Read more »