On Tuesday next week I'll be teaming up with Revolution Analytics' Mike Minelli to give a 30-minute webinar to introduce executives to R, Big Data, and applications of advanced analytics. If there's someone in your company who needs to know about the impact of R on getting value out of data, they can register here. Here's the agenda: The...
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10 R One Liners to Impress Your Friends
Following the trend of one liners for various languages (Haskell, Scala, Python), here's some examples in RMultiply Each Item in a List by 2#listslapply(list(1:4),function(n){n*2})# otherwise(1:4)*2 Sum a List of Numbers#listslapply(list(1:4),sum)# oth...
ARMA Models for Trading, Part IV
All posts in this series were combined into a single, extended tutorial and posted on my new blog. The last post promised to show some back testing results for the ARMA techniques. I decided to use the S&P 500 index for this purpose. What really impresses me in the above char it the staggering performance 
Hacking the Kinect with R
I was browsing through the draft abstract booklet for this year's worldwide R user conference useR! 2011, and noticed this abstract: KinectR – Kinect interface to R Landon Jensen Microsoft launched the Kinect for Xbox 360 in late 2010 and it quickly broke records as the fastest selling consumer electronics device in history (8 million units sold in the...
Data Science Toolset discussion at Data Scientist Summit
Heads-up to anyone attending the sold-out Data Science Summit in Las Vegas this week: I'll be there tomorrow and Thursday for the conference and to discuss R on the panel discussion "Data Science Toolset - Recipes That Win" (more details about the panel discussion below.) I'm looking forward to meeting with the other R users there -- tweet or...
Problems with plyr — the memory/complexity trade-off
Two types of R users My overwhelming impression from UseR 2010 is that, generally speaking, there are 2 types of regular R users -- those who have heard and are made uncomfortable by the idea of the *apply() functions, and those who really get it. In ...
Running an R-based ABM in parallel on a Multicore Desktop
I've been running for the last couple of months a lot of simulations written in R on legion cluster here at UCL. But I still do many things on our quad-core server here at the institute, and parallelising the simulations is extremely handy.S...
Running an R-based ABM in parallel on a Multicore Desktop
I've been running for the last couple of months a lot of simulations written in R on legion cluster here at UCL. But I still do many things on our quad-core server here at the institute, and parallelising the simulations is extremely handy.S...
Easy way to get yield curve : what you need is only "FRBData" package !
I made FRBData package and registerd it on CRAN.
This package allow you to download financial data from FRB's website.
This website provide many economical data such as consumer credit, money stock.
This article show you how to use this package.
(But, it has only a function about interest rate now. I will create other functions to download other macro-economical data in next version.)
Easy way to get yield curve : what you need is only "FRBData" package !
I made FRBData package and registerd it on CRAN.
This package allow you to download financial data from FRB's website.
This website provide many economical data such as consumer credit, money stock.
This article show you how to use this package.
(But, it has only a function about interest rate now. I will create other functions to download other macro-economical data in next version.)
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
