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发帖数: 1811 | 1 could a bibd experiment be constructed for five treatments to be repeated
four times with a block of size of 4? |
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发帖数: 114 | 3 sure you can.
in your case, r=4,v=5,k=4; so by bk=rv, you can get b=5, i.e., 5 blocks.
then by the equation r(k-1)=lambda(v-1), you can get lambda=3.
see the design below: (columns are blocks)
1 2 3 4 5
2 3 4 5 1
4 5 1 2 3
5 1 2 3 4
hope this helps! |
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发帖数: 28013 | 4 83的bibding，是design for 83的。那么room是93-83=10mm
最长93，
板腰89，理论上是肯定能fit。因为93-89=4，还有4mm空隙。
问题是这么点空隙合适吗 |
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发帖数: 5409 | 6 partial factorial design and confounding, split plot design, response surface
methods, mixed effects model, robust design,BIBD design,Latin square design, etc. |
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发帖数: 1007 | 7 我知道DOE在药厂基本用在non clinical 的工作，但我想知道他们一般用DOE的什么知
识？ randomized block design? BIBD? 他们用不用什么sampling method？求有经验
的人说明一下。 |
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