News
December 14, 2025
Contributing Editor David J. Hand, Imperial College London, returns to his Hand Writing column with some thoughts on the unglamorous but fundamentally important topic of data quality.
Countless articles and many books have been written on the topic of data quality. High quality data is clearly central to…
Yu Gui is currently a Postdoctoral Researcher in the Department of Statistics and Data Science at the Wharton School, University of Pennsylvania, working with Professors Dylan Small and Zhimei Ren. Yu obtained his PhD in Statistics at the University of Chicago, advised by Professors Rina Foygel Barber and Cong Ma.…
Here is a reminder of Anirban DasGupta’s puzzles, Student Puzzle 59. Anirban says, “You can send a solution to one, two, or ideally all three! We hope you will enjoy thinking about these problems.”
Deadline: February 1, 2026
Puzzle 59.1
Suppose $X, Y, Z$ are iid standard normal. Find,…
Radu Craiu writes:
Halfway through writing this sentence, I lost focus. I cannot remember if it was because my email pinged, a phone message arrived, or a student knocked at my door asking for directions, literally or figuratively. I used to think that the rewards for my job were the…
Layla Parast has had a tough lesson recently about what is important, and what constitutes that elusive “enough”:
As the year comes to a close, I’ve been reflecting on my goals for 2025. I had thirteen, yes thirteen, goals: SMART (Specific, Measurable, Achievable, Relevant, and Time-bound), carefully constructed, color-coded, and…