QSR magazine

The 30-Day Reporting Gap Restaurants Can’t Afford

Restaurant operators are used to volatility. MarginEdge data shows that Tomato prices, for example, spiked 51 percent in ...
The New York Times

This is a historic World Cup for goals, already breaking the previous record. Why?

This World Cup has already featured more goals than any previous edition Mattia Ozbot/Getty Images A version of this article was first published on June 21. There is a simple barometer to judge the ...
RMD Open

Therapist effects in real-world rehabilitation outcomes: a cohort study of the nationwide GLA:D osteoarthritis management programme in Denmark

Objective Unlike several other fields of healthcare, little is known about the size of ‘therapist effects’ on patient ...
The Straits Times

Only 1 in 10 young Singapore workers is engaged at work: Gallup report

SINGAPORE – Singapore workers aged under 35 report lower engagement and more daily stress than their older colleagues. This group shows a generational engagement gap that is three times wider than the ...
IEEE

On the Variability of the Sample Covariance Matrix Under Complex Elliptical Distributions

Abstract: We derive the form of the variance-covariance matrix for any affine equivariant matrix-valued statistics when sampling from complex elliptical distributions. We then use this result to ...
IEEE

A Bias and Variance Analysis for Multistep-Ahead Time Series Forecasting

Abstract: Multistep-ahead forecasts can either be produced recursively by iterating a one-step-ahead time series model or directly by estimating a separate model for each forecast horizon. In addition ...