1. 

   Catrina Member

   Hi,
   
   I hope sbd can help me here.. I think it’s just me missing sthg. I’m going through the April 05 PEP Q10 (iii)b. The ASET solutions refer back to (ii), suggesting that the Ga fct has parameters n+α and s+∑x. Should that not be n+α and δ+∑x?

    

   Last edited by a moderator: Sep 4, 2007

   Catrina, Sep 3, 2007

   #1
2. 

   John Lee ActEd Tutor Staff Member

   
   That's because in part (iii) the gamma prior has parameters a and s, whereas in part (ii) the gamma prior had parameters a and δ.
   
   The referring back to part (ii) was just so we didn't have to do it all from scratch again. We just take the result that we got and plug in the new parameters to save time.
   
   Hope that helps.

    

   John Lee, Sep 7, 2007

   #2
3. 

   Catrina Member

   Sure does, thanks John.

    

   Catrina, Sep 7, 2007

   #3
4. 

   John Lee ActEd Tutor Staff Member

   No problem!

    

   John Lee, Sep 10, 2007

   #4

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