Proof of F-statistic Formulas

Hey guys! I've got a tough one here that I was hoping to get some help with. A friend asked me to help them with this problem and I was not able to. Now it has just been bugging me that I can't figure it out! I'm trying to prove this:

http://i546.photobucket.com/albums/h...blemF-stat.jpg

u=unrestricted
r=restricted

Thanks, Joey

Quote:

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Originally Posted by DaCoo911

Hey guys! I've got a tough one here that I was hoping to get some help with. A friend asked me to help them with this problem and I was not able to. Now it has just been bugging me that I can't figure it out! I'm trying to prove this:

http://i546.photobucket.com/albums/h...blemF-stat.jpg

u=unrestricted
r=restricted

Thanks, Joey

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Notation and context please.

CB

Hi Guys! I have difficulties with this proof also. We need to prove that by using first formula we can derive the second one. Any suggestions?