A comparison and evaluation is made of recent proposals for multivariate matched sampling in observational studies, where the following three questions are answered: (1) Algorithms: In current ...

The Journal of the Operational Research Society, Vol. 65, No. 10 (OCTOBER 2014), pp. 1602-1610 (9 pages) Sudoku is a puzzle played of an n × n grid N, where n is the square of a positive integer m.

Machine learning engineers from the University of Bristol think they might have the master equation to predicting the popularity of a song. The so-called Hit Potential Equation looks a little ...