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LognormalDistributionInnerDistributionFunction Method

Gets the cumulative distribution function (cdf) for the this Log-Normal distribution evaluated at point x.

Namespace:  Accord.Statistics.Distributions.Univariate
Assembly:  Accord.Statistics (in Accord.Statistics.dll) Version: 3.8.0
Syntax
protected internal override double InnerDistributionFunction(
	double x
)
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Parameters

x
Type: SystemDouble
A single point in the distribution range.

Return Value

Type: Double
Remarks

The Cumulative Distribution Function (CDF) describes the cumulative probability that a given value or any value smaller than it will occur.

The calculation is computed through the relationship to the error function as erfc(-z/sqrt(2)) / 2. See [Weisstein] for more details.

References:

  • Weisstein, Eric W. "Normal Distribution Function." From MathWorld--A Wolfram Web Resource. http://mathworld.wolfram.com/NormalDistributionFunction.html

Examples
See Also