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fix conditioning exercises/solutions #78

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hawkrobe opened this issue Oct 14, 2018 · 1 comment
Open
2 tasks

fix conditioning exercises/solutions #78

hawkrobe opened this issue Oct 14, 2018 · 1 comment

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@hawkrobe
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hawkrobe commented Oct 14, 2018 •
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  • Make it clear that solutions to exercise 1 should be webppl programs (with results!), not just working out math w/ equations
  • put alternative solution to 3b that doesn't require full unrolling of Bayes rule:
    • P(Alice is nice | Alice smiles twice) = P(Alice is nice AND Alice smiles twice) / P(Alice Smiles twice)
    • P(Alice is nice | Alice smiles twice) = 0.7 * 0.8 * 0.8 / (0.7 * 0.8 * 0.8 + 0.3 * 0.5 * 0.5)
    • P(Alice is nice | Alice smiles twice) = 0.86
@hawkrobe hawkrobe changed the title fix conditioning exercises fix conditioning exercises/solutions Oct 14, 2018
@ngoodman
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ngoodman commented Apr 5, 2021

@andrewnam i just noticed this suggestion from last time -- you might have addressed these already in the recent revision?

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