Le mar. 3 août 2021 à 00:09, Alex Herbert <alex.d.herb...@gmail.com> a écrit :
>
> The PoissonDistribution defines the method:
>
> /**
> * Calculates the Poisson distribution function using a normal
> * approximation. The {@code N(mean, sqrt(mean))} distribution is used
> * to approximate the Poisson distribution. The computation uses
> * "half-correction" (evaluating the normal distribution function at
> * {@code x + 0.5}).
> *
> * @param x Upper bound, inclusive.
> * @return the distribution function value calculated using a normal
> * approximation.
> */
> public double normalApproximateProbability(int x) {
> // Calculate the probability using half-correction.
> return normal.cumulativeProbability(x + 0.5);
> }
>
> This method does not seem to add value. A user would have to choose to use
> it when they know the approximation is good, typically if the mean is
> large. I would recommend removing it from the API.
+1
>
> Alex
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