pal.statistics
Class NormalDistribution
java.lang.Object
|
+--pal.statistics.NormalDistribution
- public class NormalDistribution
- extends java.lang.Object
normal distribution (pdf, cdf, quantile)
Method Summary |
static double |
cdf(double x,
double m,
double sd)
cumulative density function |
static double |
mean(double m,
double sd)
mean |
static double |
pdf(double x,
double m,
double sd)
probability density function |
static double |
quantile(double z,
double m,
double sd)
quantiles (=inverse cumulative density function) |
static double |
variance(double m,
double sd)
variance |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
NormalDistribution
public NormalDistribution()
pdf
public static double pdf(double x,
double m,
double sd)
- probability density function
- Parameters:
x
- argumentm
- meansd
- standard deviation- Returns:
- pdf at x
cdf
public static double cdf(double x,
double m,
double sd)
- cumulative density function
- Parameters:
x
- argumentm
- meansd
- standard deviation- Returns:
- cdf at x
quantile
public static double quantile(double z,
double m,
double sd)
- quantiles (=inverse cumulative density function)
- Parameters:
z
- argumentm
- meansd
- standard deviation- Returns:
- icdf at z
mean
public static double mean(double m,
double sd)
- mean
- Parameters:
m
- meansd
- standard deviation- Returns:
- mean
variance
public static double variance(double m,
double sd)
- variance
- Parameters:
m
- meansd
- standard deviation- Returns:
- variance