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Type I and Type II Errors | Smoke Detector and The Boy Who Cried Wolf

Type I and Type II Errors | Smoke Detector and The Boy Who Cried Wolf

Every cook knows how to avoid Type I Error: just remove the batteries. Let's also learn how to reduce the chances of Type II errors. Why Type I and Type II Errors Matter A/B testing is an essential component of large-scale online services today. So essential, that every online business worth me...

RHadoop Tutorial: Large Dataset Resample

RHadoop Tutorial: Large Dataset Resample

Learn how to use RHadoop to resample from a large data set in parallel. This blog is designed for beginners.How-To: Resample from a large data set in parallel (with R on Hadoop) Reposted from Cloudera blog. Internet-scale data sets present a unique challenge to traditional machine...