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when toggle format what by license comment
Jul 31, 2017 at 19:14 comment added Zhanxiong As long as the design matrix is non-singular, then as the calculation in the answer shows, there is no way (the effect of $W$ cancelled with each other).
Jul 31, 2017 at 19:07 comment added d.mc2 As a follow-up is there a way to weigh scenarios where you have square matrices?
Jul 31, 2017 at 18:50 vote accept d.mc2
Jul 31, 2017 at 18:44 history answered Zhanxiong CC BY-SA 3.0