I am tring to verify an example in my notes,(adsbygoogle = window.adsbygoogle || []).push({});

likelihood function:

http://img138.imageshack.us/img138/7530/25014295.jpg [Broken]

and conditional expectation

http://img231.imageshack.us/img231/4692/28307830.jpg [Broken]

and final answer

http://img99.imageshack.us/img99/914/ansj.jpg [Broken]

I cant really work out the [tex]Q_i - Q_{i-1}[/tex].

i.e. I dont really know what is[tex] Q_i [/tex],

espeacially what [tex]Q_0[/tex] is

I have tried varies ways to caculate Q_0 and Q_1, just cant get the right answer for [tex]Q_1 - Q_0[/tex]

That's example 6.2 in PDF attached.

Thanks.

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# EM algorithm

Can you offer guidance or do you also need help?

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