“In principle, more analytic power can be achieved by varying multiple things at once in an uncorrelated (random) way, and doing standard analysis, such as multiple linear regression. In practice, though, A/B testing is widely used, because A/B tests are… — Christopher D. Manning Copy Share Image
Whether a tops-down or bottoms-up investor in bonds, stocks, or private equity, the standard analysis tends to judge an investor or his firm on the basis of how the bullish or bearish aspects of the cycle were managed. — Bill Gross Copy Share Image