I was recently asked about how to use the SAS/IML language to efficiently add a constant to every element of a matrix diagonal. Mathematically, the task is to form the matrix sum A + kI, where A is an n x n matrix, k is a scalar value, and I is the
By infusing analytics through every phase of the guest journey, hotel managers can help shore up the complicated balance between the guest experience and revenue and profit responsibilities – delivering memorable and personalized guest experiences, while maximizing revenue and profits. To accomplish this, hotels need to be able to collect,
It's time for a fall fraud roundup. Bad deeds swirl around like so many dry leaves, and I'd like to highlight a few of them this week. It can happen anywhere, even in sports, and no, I'm not picking on those shoplifting Dallas Cowboys here. An MLS referee was suspended for workers' compensation
