The Pith of Performance

Heard on the BBC World Service : "The world is drowning in a sea of data. Facebook users alone are uploading more than a thousand photo...

Only one month to go! Register now for the Guerrilla Data Analysis Techniques (GDAT) class to be held during the week of August 9-13, 2010....

Having finally popped the stack on computing prime numbers with R in Part II and Part III , we are now in a position to discuss their rel...

I was so impressed with Velocity 2009, I really wanted to present something at Velocity 2010. Thread-limited scalability of memcached Wo...

Here is a scatter plot with the coordinate labels deliberately omitted. Figure 1. Do you see any trends? How would you model these data?...

This is the week. Starts tomorrow and it's sold out! Click on the image for details Shanti and I will be presenting at 1300 on Thurs...

Popping Part III off the stack—where I ended up unexpectedly discovering that the primes and primlist functions are broken in the schoolm...