The problem, says Mr Naik, is that the consultants had to rely on past data.
Mr Naik说问题在于这些顾问依赖的只能是过去的数据。
2
Mr Naik says that hedge-fund returns have been increasingly based on beta in recent years.
Naik先生指出，在最近几年，对冲基金的收益越来越基于贝塔。
3
Active Record Query Interface 3.0 - Pratik Naik demonstrates ActiveRecord's finder methods and shows how a number of techniques are being deprecated in Rails 3.1.