摘要: 1. The way to calculate the variance of a certain set of data: pts_mean = sum(nba_stats["pts"])/len(nba_stats['pts']) point_variance = 0 for i in nba_ 阅读全文
posted @ 2016-12-04 04:00 阿难1020 阅读(218) 评论(0) 推荐(0) 编辑