摘要：特征选取Feature selection, dimension reduction《Mining the Web》, section 5.5《Modeling the Internet and the Web》,section 4.6.4"Machine Learning in Automated Text Categorization", sections 5.3, 5.4, 5.5"A Co... 阅读全文

摘要：Credit: Andrea Cavalcanti Problem问题 You want to get today's date, then calculate yesterday's or tomorrow's.你想去获取今天的日期，然后计算昨天或者明天的日期Solution解决 Whenever you have to deal with a "change" or "difference" ... 阅读全文