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I have said it already in multiple posts, but Kenneth French’s data library is one of the most generous and powerful contributions to the financial community. To build on Systematic Investor’s series on factors, I thought I should run some ba...

Yesterday as I played with bfast I kept thinking “Yes, but this is all in hindsight. How can I potentially use this in a system?” Fortunately, one of the fine authors very generously commented on my post Structural Breaks (Bull or Bear?...

When I spotted the bfast R package, I could not resist attempting to apply it to identify bull and bear markets. For all the details that I do not understand, please see the references: Jan Verbesselt, Rob Hyndman, Glenn Newnham, Darius Culvenor...

In Efficient Frontier of Funds and Allocation Systems, I had hoped to start exploring how a frontier can potentially be created with only one asset, or how an even more efficient frontier could be created with assets and also systems on those assets.&n...

I did a very basic experiment in Efficient Frontier of Buy-Hold and Tactical System where I determined the efficient frontier of the S&P 500 with itself transformed by a Mebane Faber 10-month moving average tactical allocation. The result was inter...

Over the years I have changed my learning process from reading thoroughly first before proceeding to reading minimally and then applying immediately. I very quickly see the gaps in my knowledge. This method is far more painful but seems to ...

I get very excited about new R packages, but rarely is my excitement so fulfilled as with knitr. Even with no skill, I have already been able to adapt the example Yihui Xie provides in his knitr Graphics Manual into a crude first version of a per...

I have always known that at some point I would have to succumb to the power of Latex, but Latex has been uncharacteristically intimidating to me. I finally found the remedy to my Latex allergy with the amazing and fantastic knitr package from Yih...

I was inspired by the Revolution Analytics blog post http://blog.revolutionanalytics.com/2009/11/charting-time-series-as-calendar-heat-maps-in-r.html on the d3.js style calendar heat map that Paul Bleicher from Humedica developed in R. In an effo...

Birmingham Open Source Software (BOSS) was kind enough to invite me to do a debut presentation on R. I had a lot of fun. Below is the embedded Youtube. Please let me know how I can improve. I really appreciate helpful feedback.