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Monthly Archives: March 2012
Airline Fares Decreasing Steadily
Description: Yearly average airline fare since 1995. Data: http://www.bts.gov/ Analysis: When taking the average price of domestic airline fares, there is a clear trend indicating that flying is becoming more affordable - when adjusted for infl...
Benford’s Law and fraud in the Russian election
Earlier today Ben Goldacre posted about using Benford’s Law to try and detect fraud in the Russian elections. Read that now, or the rest of this post won’t make sense. This is a loose R translation of Ben’s Stata code. The data is held in a Google doc. While it is possible to directly retrieve 
NIT: Fatty acids study in R – Part 003
As I told you I´m a beginner in "R", so I realize that I have to prepare my data a little bit in order to continue from my previous post ( NIT: Fatty acids study in R - Part 002) after getting some errors. Anyway I´m really fascinated ...
Futures price prediction using the order book data
It has been a couple of months since my last post; busy with lots of projects.
I had some fun playing around with data from Interactive Brokers API. It turns out that it is relatively easily to get hold of the raw market data relating to both trades and order book changes for CME/NYMEX commodity futures. For the purposes of...
New R User Groups in Lithuania, Birmingham, Taiwan
Three new local R user groups to add to the list today: from Lithuania, Taiwan, and Birmingham (UK). The Chinese Academy of R Software (CARS) serves R users in Taipei (Taiwan). It has been approved by the Ministry of the Interior of Taiwan, and has more than 500 "likes" on its Facebook page. The Birmingham R Users Meeting (with...
Dr Sanjiv Das presents "Using R for Analyzing Loans, Portfolios and Risk"
In a free webinar tomorrow at 10AM Pacific, Professor of Finance Dr Sanjiv Das will present, "Using R for Analyzing Loans, Portfolios and Risk: From Academic Theory to Financial Practice". I saw a version of Dr Das's talk a couple of months ago at the Bay Area R User Group meeting, and it was outstanding. I particularly recall his...
Montreal R workshop on Causal Inference
Monday, March 05, 2012 14h-16h N4/17 Stewart Biology Building, McGill University Prof. Bill Shipley from Université de Sherbrooke Topics Structural equation modelling Graphical models for understanding causal analysis Testing for goodness of fit...
Interview: Patrick Burns Quantitative Finance in R
Dr. Patrick Burns is the founder of Burns Statistics, providing consulting and bespoke software specializing in quantitative finance, programming in the S language, and optimization via genetic algorithms and simulated annealing. Patrick has written m...
The shadows and light of models
How wide is the darkness? Uses of models The main way models are used is to: shine light on the “truth” We create and use a model to learn how some part of the world works. But there is a another use of models that is unfortunately rare — a use that should be common … Continue reading...
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
