Concluding our guest post series! Authors: John Mount (more articles) and Nina Zumel (more articles). In this article we conclude our four part series on basic model testing. When fitting and selecting models in a data science project, how do you know that your final model is good? And how sure are you that it’s better than the models … Continued
Continuing our guest post series! Authors: John Mount (more articles) and Nina Zumel (more articles). When fitting and selecting models in a data science project, how do you know that your final model is good? And how sure are you that it’s better than the models that you rejected? In this Part 2 of our four part mini-series “How do you … Continued
This month we have a guest post series from our dear friend and advisor, John Mount, on building reliable predictive models. We are honored to share his hard won learnings with the world. Authors: John Mount (more articles) and Nina Zumel (more articles) of Win-Vector LLC. “Essentially, all models are wrong, but some are useful.”George Box Here’s a caricature of a … Continued
This holiday retailing season, as customers shopping preferences shift, will you still be marketing to them using stale data? With the rise of mobile devices, and the “always-on” user, the amount of time spent on the internet has nearly tripled over the last 5 years: 450 billion minutes per month in 2010 to more than 1200 billion … Continued