I finally understand RCBD!

But sadly, it's 2.42pm here, which is 2.42am in Singapore, and the BlueTempeh is offline, so there's no-one I can share my nerdy joy with...

So some reason, the textbook and various explanations on the web all assume that you can automatically see what the big advantage of blocking is (RCBD is randomised complete block design for you non-stats heads out there), and it was so frustrating to do the analyses without seeing the big picture. Had to revisit the model equation, the SS equations and the math again and again before I finally worked it out...pooooh!

So okay, I can see why one might want to block treatments, but the assumption of no interactions is a little niggling. Hm. Will have to ponder some more.


eric yw lim said…
Although i dunno what you are talking abt... i'm glad you finally got it :)

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