Monthly Archives: January 2012

Moving from blogger and wordpress to jekyll

January 11, 2012
By
Moving from blogger and wordpress to jekyll

Recology used to be hosted on Blogger, and my personal website was hosted on Wordpress. Neither platform was very satisfying. Blogger is very limited in their layouts, unless you use dynamic views, which suck because they don't allow javascript snipp...

Read more »

Running R through Stata on Mac OS

January 10, 2012
By
Running R through Stata on Mac OS

I’ve friends favouring Stata rather than R, while others do the inverse. However, few of them actually know that it is possible to work on both softwares, simultaneously inclusive. It is possible to integrate R and Stata, complementing so we can run almost all kind of analyses using them. Therefore, who prefers the Stata’s interface

Read more »

Looping through factor variables

January 10, 2012
By
Looping through factor variables

Today I was typing to a friend who is working on a Ph.D thesis about my favor issue on elections: campaign contributions. We discussed about analyzing probabilities of a particular group/category grasp more money than the others, in this case, male and female given a district. A preliminary approach should consider identify in the data

Read more »

Time Series Cointegration in R

January 10, 2012
By

Cointegration can be a valuable tool in determining the mean reverting properties of 2 time series. A full description of cointegration can be found on Wikipedia. Essentially, it seeks to find stationary linear combinations of the two vectors. The below R code, which has been modified from here, will test two series for integration and...

Read more »

Introduction to Kaggle Algorithmic Trading Challenge

January 10, 2012
By

I recently participated in the Kaggle Algorithmic Trading Competition under the username VikP. For those who do not know what Kaggle is, it is a web site where individuals and corporations can host data analysis competitions. This particular competit...

Read more »

Eisen and Elsevier have words over bill to end NIH Public Access Policy

January 10, 2012
By

This article linked below and the subsequent comments (some apparently from an Elsevier rep.) are interesting. It's not directly related to R, but is related to open source/science philosophy. Elsevier-funded NY Congresswoman Carolyn Maloney Wants to D...

Read more »

Statistical Methods for the Chain Ladder Technique Demo (CloudStat)

January 10, 2012
By
Statistical Methods for the Chain Ladder Technique Demo (CloudStat)

This demo will use a study case, how a general insurance company use CloudStat to estimate outstanding claims. Background Forecasting outstanding claims and setting up suitable reserves to meet these claims is an important part of the business of a gen...

Read more »

Using R in Ruby

January 10, 2012
By

Integrating R into more traditional programming languages can be incredibly rewarding due to R's powerful built-in statistical tools, but it can also be extremely frustrating at times. Thankfully, like much else to do with Ruby, integrating R and Ruby...

Read more »

Installing quantstrat from R-forge and source

January 10, 2012
By

R is used extensively in the financial industry; many of my recent clients have been working in or developing products for the financial sector. Some common applications are to use R to analyze market data and evaluate quantitative trading strategies. ...

Read more »

RStudio v0.95 Preview Available

January 10, 2012
By
RStudio v0.95 Preview Available

The next version of RStudio (v0.95) is now available as a preview release. Highlights include: Projects — A new system for managing R projects that enables easy switching between working directories, running multiple instances of RStudio with different projects, and per-project contexts for source documents, workspaces, and history. Code Navigation — Typeahead navigation by file

Read more »

Sponsors

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)