useR!2010 is coming. I am going to give two talks there (I will write more of that soon), but in the meantime, please note that the online registration deadline is coming to an end. This was published on the R-help mailing list today: ————- The final registration deadline for the R User Conference is June 20, 2010, one week...
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Pegging your multicore CPU in Revolution R, Good and Bad
I take an almost unhealthy pleasure in pushing my computer to its limits. This has become easier with Revolution R and its free license for academic use. One of its best features is debugger that allows you to step through … Continue reading →
Go Guerrill-R on Your Data in August
Guerrill-R, get it? Register now for the Guerrilla Data Analysis Techniques (GDAT) class to be held during the week of August 9-13, 2010. The focus will be on using R and the PDQ-R for computer performance analysis and capacity planning.(Click on the...
PostGIS in Action Book Review
I was recently asked to review a soon to be published book on PostGIS, a spatial extension to the very popular Postgresql relational database. I was very excited about receiving an early copy of this book, as the authors have provided countless tips, ...
Connecting Revolution R to MySQL on Windows
My colleague Saar Golde was having some troubles connecting Revolution R to MySQL on Windows (64-bit). Turned out the problem was the lack of an environment variable. He documented the instructions for fixing the problem on Windows 7, below. Thanks, Saar! The Problem: A client is about to send me a couple of large MySQL tables, so I needed...
Advanced debugging techniques in R
Harlan Harris provides an interactive introduction to more advanced debugging techniques using traceback(), trace() and debug(). This talk was presented to the NYC R Statistical Programming Meetup on June 3, 2010. Code from Harlan's talk is available...
Making Data Work online conference
O'Reilly is hosting a conference on June 9 on the topic of the analysis of large data sets. The title of the conference is Making Data Work: Ever since Hal Varian proclaimed that data analysis is the sexy career for the coming decade, people have been talking about data. And big data. And even bigger data. This online conference,...
Supercharging business analytics with R
Really pleased with how our webinar today, Supercharge BI and Dashboards with Predictive Analytics, turned out. Steve Miller from OpenBI gave a great introduction to the motivations and need for predictive analytics. Andrew Lampitt from Jaspersoft was next up, with an overview of the Jaspersoft system for BI reports and dashboards. My section focused mainly on R and its...
Data preparation for Social Network Analysis using R and Gephi
I want to share my experience in generating the data for social network analysis using R and analyzing it using Gephi... WHICH DATA STRUCTURE TO USE FOR LARGE GRAPHS?I quickly realized that using edge lists and adjacency matrix gets difficult as the g...
Reminder: Supercharging BI with R webinar tomorrow
If you haven't done so already, it's not too late to register for tomorrow's 1-hour webinar, Supercharge BI and Dashboards with Predictive Analytics. I'll be one of the presenters, talking about R and its applications for business intelligence. The topics and speakers will be: Introduction: Analytics and BI (Steve Miller, OpenBI) How BI Complements Predictive Analytics (Andrew Lampitt, Jaspersoft)...
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
