VA Reform: Nearly-Impossible and Absolutely-Necessary
The U.S. Department of Veterans Affairs has had a rough few years. The effects of Operations Enduring Freedom and Iraqi Freedom are many...
Algorithms Part 1: Two Traditional Views
Engineers and computer scientists think about algorithms quite differently. Working with recent graduates, I've consistently found that...
Predicting the Electoral Map
[Note: The analysis presented in this post relied upon poll and model data available as of August 1st. The probabilities stated and used...
P-Values Part 5: Common Mistakes
Picking up from where we left off with our discussion on error rates -- and the important but surprisingly challenging task of picking...
P-Values Part 4: Understanding Errors
Reintroduction Through a series of blog posts (part 1, part 2, part 3), I've attempted a perhaps futile effort to try to explain...
P-Values Part 3: Interpretation in Context
My previous two posts laid out the fundamental need and concept behind the p-value and the statistical terms required to discuss it....
P-Values Part 2: The Basic Statistics
Statistics Terminology: Hypotheses Following my previous blog post on why science needs statistics, here I will introduce a more...
P-Values Part 1: The Concept
Introduction P-values provide us with a never-ending stream of confusion. From high school classrooms to the top research labs, p-values...
Healthcare Systems Engineering
My background is in healthcare systems engineering -- and many people have no idea what that is. I'm not sure that I've found the best...
I feel like I'm thinking.
In a contributed op-ed for The New York Times on April 30, Molly Worthen presents a self-described “curmudgeonly plea to stop saying ‘I...