Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. Erika Rasure is globally-recognized as a leading consumer economics ...

Power analyses and sample size calculations are important parts of many research projects. Often, before data are even collected, it is necessary to calculate and justify the required sample size for ...

For NBA fans, Halloween gets second-billing behind opening night. We’ve already seen scary-good performances like Trae Young‘s 35 & 11 double-double, ghoulish injuries like Will Barton‘s 5-6 week ...

We present a simple sample-size formula for weighted log-rank statistics applied to clustered survival data with variable cluster sizes and arbitrary treatment assignments within clusters. This ...

Let me issue an emphatic disclaimer up top: I love the PGA Tour’s “Strokes Gained” metrics, and I’ve loved them for years. As the statistical brain child of Columbia University professor Mark Broadie, ...

Bruce Rondon has shown us extremes in his pitching this season. On July 10 against Minnesota, the Tigers reliever gave up three hits in the ninth inning in part of an epic collapse from a 6-1 ...

We’re too early in the 2017-18 season to draw many conclusions with confidence, whether about teams or specific players. The Wizards, Grizzlies, Spurs and Clippers are undefeated, but none have played ...