pal.statistics
public class GammaDistribution extends java.lang.Object
Constructor and Description |
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GammaDistribution() |
Modifier and Type | Method and Description |
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static double |
cdf(double x,
double shape,
double scale)
cumulative density function of the Gamma distribution
|
static double |
mean(double shape,
double scale)
mean of the Gamma distribution
|
static double |
pdf(double x,
double shape,
double scale)
probability density function of the Gamma distribution
|
static double |
quantile(double y,
double shape,
double scale)
quantile (inverse cumulative density function) of the Gamma distribution
|
static double |
variance(double shape,
double scale)
variance of the Gamma distribution
|
public static double pdf(double x, double shape, double scale)
x
- argumentshape
- shape parameterscale
- scale parameterpublic static double cdf(double x, double shape, double scale)
x
- argumentshape
- shape parameterscale
- scale parameterpublic static double quantile(double y, double shape, double scale)
y
- argumentshape
- shape parameterscale
- scale parameterpublic static double mean(double shape, double scale)
shape
- shape parameterscale
- scale parameterpublic static double variance(double shape, double scale)
shape
- shape parameterscale
- scale parameter