org.apache.commons.math.distribution
Interface NormalDistribution

All Superinterfaces:
ContinuousDistribution, Distribution
All Known Implementing Classes:
NormalDistributionImpl

public interface NormalDistribution
extends ContinuousDistribution

Normal (Gauss) Distribution. Instances of NormalDistribution objects should be created using DistributionFactory.createNormalDistribution(double, double).

References:

Version:
$Revision: 201915 $ $Date: 2005-06-26 15:20:57 -0700 (Sun, 26 Jun 2005) $

Method Summary
 double getMean()
          Access the mean.
 double getStandardDeviation()
          Access the standard deviation.
 void setMean(double mean)
          Modify the mean.
 void setStandardDeviation(double sd)
          Modify the standard deviation.
 
Methods inherited from interface org.apache.commons.math.distribution.ContinuousDistribution
inverseCumulativeProbability
 
Methods inherited from interface org.apache.commons.math.distribution.Distribution
cumulativeProbability, cumulativeProbability
 

Method Detail

getMean

public double getMean()
Access the mean.

Returns:
mean for this distribution

setMean

public void setMean(double mean)
Modify the mean.

Parameters:
mean - for this distribution

getStandardDeviation

public double getStandardDeviation()
Access the standard deviation.

Returns:
standard deviation for this distribution

setStandardDeviation

public void setStandardDeviation(double sd)
Modify the standard deviation.

Parameters:
sd - standard deviation for this distribution


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