# EM algorithm

1. Dec 12, 2009

### ghostyc

I am tring to verify an example in my notes,

likelihood function:

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

and conditional expectation

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

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

I cant really work out the $$Q_i - Q_{i-1}$$.
i.e. I dont really know what is$$Q_i$$,
espeacially what $$Q_0$$ is

I have tried varies ways to caculate Q_0 and Q_1, just cant get the right answer for $$Q_1 - Q_0$$

That's example 6.2 in PDF attached.

Thanks.

#### Attached Files:

• ###### Ch6_2006.pdf
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Last edited by a moderator: May 4, 2017