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Privacy Algorithm implementation in Ch2_MorePyMC_PyMC3 #379

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njordhov opened this issue Mar 7, 2018 · 0 comments
Open

Privacy Algorithm implementation in Ch2_MorePyMC_PyMC3 #379

njordhov opened this issue Mar 7, 2018 · 0 comments

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@njordhov
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njordhov commented Mar 7, 2018 •
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The "Privacy Algorithm" implementation in Chapter 2 can perhaps be improved using a theano switch expression:

val = pm.math.switch(first_coin_flips, true_answers, second_coin_flips)

It is currently implemented as:

val = first_coin_flips*true_answers + (1 - first_coin_flips)*second_coin_flips

A python conditional expression unfortunately doesn't do the trick:

val = true_answers if first_coin_flips else second_coin_flips
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