cumulativeProbability method
The Cumulative Distribution Function (CDF).
Returns the cumulative probability at x
, or the probability of a random
variable to be less than or equal to x
.
Implementation
@override
double cumulativeProbability(double x) {
final z = (x - mu) / (sqrt2 * sigma);
return 0.5 * (1 + erf(z));
}