While there is no clear definition of what makes a strong correlation, a coefficient above 0.75 (or below -0.75) is considered a high degree of correlation, while one between -0.3 and 0.3 is a ...

Move over, 1080p! Truly high-resolution projectors are finally affordable enough to make a 4K model your new target for work or play. Here's everything you need to know to buy the right one.

How to do it. Swish lakeside hotel Unique Resort and Spa is loved for its opulent rooms, zen-inducing spa and private pool. Book from around £100 a night. 4. Lake Balaton, Hungary. Beaches ...