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wehykrrhr  
#1 Posted : Thursday, June 22, 2017 6:26:39 PM(UTC)
wehykrrhr

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Anyone know how to implememt the cumulative normal density function in ms or are there some reference to the formula Thanks

wabbit  
#2 Posted : Friday, June 23, 2017 12:06:49 AM(UTC)
wabbit

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Have you tried

0.5 * (tanh(x) + 1)

where

tanh(x) = (exp(2x) - 1) / (exp(2x) + 1)

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