Monthly Archives: September 2009

Batch Querying with Cascading

As promised at the meetup yesterday, I’ve released the source code for batch querying with Cascading at http://github.com/nathanmarz/cascading-batch-query/ Here is the presentation from the meetup: Batch Querying with Cascading
Posted in Miscellaneous | 2 Comments

Evaluating a Predictive Model

We often try to correlate our data with various consumer behaviors, such as paying back loans or completing a transaction. To do this we produce models that emit the probability of the person doing the behavior. In this post, I’ll describe a technique we use for evaluating the performance of our predictive models. There are two [...]
Posted in Miscellaneous | 6 Comments

Cascading & Clojure SF Meetup

I’m happy to announce that Rapleaf will be hosting a Cascading + Clojure Meetup in San Francisco, CA on September 24th. At this meetup, we’ll cover some real world uses cases of Cascading and Clojure and provide information on how these technologies are progressing. Here is what we have in store: Bradford Cross from [...]
Posted in Cascading, Hadoop, MapReduce, Miscellaneous | Tagged , | 6 Comments