Data Science in the Cloud As more organizations migrate their data science work to the cloud, they naturally want to bring along their favorite data science tools, including RStudio, R, and Python. These organizations are embracing the cloud to achieve...

As 2020 closed, Eveline Geubbels, former COVID-19 Surveillance Coordinator at the Dutch National Institute for Public Health and the Environment (RIVM), faced an important question: How can we help the public health doctors and epidemiologists that wor...

We’re taking a short break from neural networks to return to portfolio optimization. Our last posts in the portfolio series discussed risk-constrained optimization. Before that we examined satisificing vs. mean-variance optimization (MVO). In our last post on that topic, we simulated 1,000 60-month (5-year) return series using the 1987-1991 period ...

How to join this free online event with Arfon Smith, Karthik Ram, Maëlle Salmon and Noam Ross. Software peer-review involves coordinating and tracking many moving parts: software submissions, testing and diagnostics, assignment of editors and reviewers, and logging the progression of submissions through revisions and acceptance. On this call ...

This post presents a R code for a k-fold cross validation of Lasso in the case of a gaussian regression (continuous Y). This work easily can be done by using a mean squared error. Cross Validation in Lasso : Gaussian Regression We have implem...