One key limiting factor for automated text classification is memory consumption. As you accumulate more news articles, bills, and legal opinions, the term-document matrices used to represent the data grow quickly. RTextTools provides two algorithms, support vector machines and maximum entropy, that can handle large datasets with very little memory. Luckily, these two algorithms tend to be the most...
456 search results for "RSTUDIO"
R/Finance 2011 Presentations are online
For those of you who don't subscribe to the R-SIG-Finance mailing list:
- You really should subscribe ;-)
- Dirk Eddelbuettel announced the R/Finance 2011 presentations are now available.
The organizing committee for the R/Finance 2011 conference is pleased to announce the availability of presentation slides from the 3rd annual R/Finance...
R/Finance 2011 Presentations are online
For those of you who don't subscribe to the R-SIG-Finance mailing list:
- You really should subscribe ;-)
- Dirk Eddelbuettel announced the R/Finance 2011 presentations are now available.
The organizing committee for the R/Finance 2011 conference is pleased to announce the availability of presentation slides from the 3rd annual R/Finance...
R / Finance 2011 presentations
I just sent the text below to the r-sig-finance list: The organizing committee for the R/Finance 2011 conference is pleased to announce the availability of presentation slides from the 3rd annual R/Finance conference. This year's two-day conference...
R / Finance 2011 presentations
I just sent the text below to the r-sig-finance list: The organizing committee for the R/Finance 2011 conference is pleased to announce the availability of presentation slides from the 3rd annual R/Finance conference. This year's two-day conference...
RStudio the missing link between your brain and statistics
RStudio is a graphical user interface for R. Or as the developers put it. RStudio™ is a new integrated development environment (IDE) for R. RStudio combines an intuitive user interface with powerful coding tools to help you get the most out of R. While there have been a few projects (e.g. RCommander, RkWard, JaguaR)
Fitting Distribution X to Data From Distribution Y
I had someone ask me about fitting a beta distribution to data drawn from a gamma distribution and how well the distribution would fit. I’m not a “closed form” kinda guy. I’m more of a “numerical simulation” type of fellow. So I whipped up a little R code to illustrate the process then we changed
EC2 Micro instance of RStudio
I wanted to see see if I could setup RStudio on a micro instance on Amazon EC2. I thought it would be nice to have my own instance running in the cloud and why not use AWS free usage tier … Continue reading →
Running R on an iPhone/iPad with RStudio
This thread has been widely discussed on a lot of forums. To make a long story short, running natively R on an iDevice (meaning iPhone/iPad) is disabled by its OS, unless it is jailbroken. The steps for the installation through Cydia are described in this R wiki, or this post. But there are some limitations, 
R/Finance conference in Chicago – April 29, 2011 to April 30, 2011
This was my first year to attend the R/Finance conference that focuses on the use R programming in applied finance. I was unable to get out there until mid-morning on Friday, so I missed Jeff Ryan’s tutorial on Automated Trading … Continue reading →
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
