Opinion
We in IMS must build the foundations of this emerging field Data science is at a crossroads. Will it become a fundamentally applied discipline, a collection of heuristics without any coherent mathematical underpinning? Or will a rigorous foundation lead to practical new tools and algorithms with provable properties? IMS members…

Jan Swart is a research fellow at the Institute of Information Theory and Automatization, in the Academy of Sciences of the Czech Republic, Prague. He writes to share his experiences of co-organizing Learning Sessions, trialling a new format for sharing knowledge:   In four columns published in 2014 and 2015…

Jeffrey S. Rosenthal, Professor of Statistics, University of Toronto, writes: It happens to the instructor of every university-level introductory statistics class. You define the mean m, and the variance v. You explain how to estimate the mean from an i.i.d. sample, via $\bar{x} = \frac{1}{n} \sum{x_i}$. Then you have to…