送交者: 蚤大 于 2010-01-22, 09:23:59:

回答: that's the point, for causal relationship, use regression 由 潜伏九号 于 2010-01-22, 09:22:00:

• plot my way visually see significance of different responses - 潜伏九号 (388 bytes) 2010-01-22, 12:16:45 (406940)

加跟贴