The issue of weighting which is never easy to be handled correctly.

The issue of weighting which is never easy to be handled correctly.

所有跟贴·加跟贴·新语丝读书论坛

送交者: LaoXiao 于 2016-11-09, 09:57:44:

回答: 样品中民主党／共和党／独立选民比例于现实不符由 tom_cat 于 2016-11-09, 02:06:27:

呵呵 - tom_cat (168 bytes) 2016-11-09, 12:50:55 (820960)