SSJ
3.3.1
Stochastic Simulation in Java
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Represents a constant discrete distribution taking a single integer value with probability 1. More...
Public Member Functions | |
ConstantIntDist (int c) | |
Constructs a new constant distribution with probability 1 at c . | |
String | toString () |
Returns a String containing information about the current distribution. | |
Public Member Functions inherited from UniformIntDist | |
UniformIntDist (int i, int j) | |
Constructs a discrete uniform distribution over the interval \([i,j]\). | |
double | prob (int x) |
double | cdf (int x) |
double | barF (int x) |
int | inverseFInt (double u) |
double | getMean () |
Returns the mean of the distribution function. | |
double | getVariance () |
Returns the variance of the distribution function. | |
double | getStandardDeviation () |
Returns the standard deviation of the distribution function. | |
int | getI () |
Returns the parameter \(i\). | |
int | getJ () |
Returns the parameter \(j\). | |
void | setParams (int i, int j) |
Sets the parameters \(i\) and \(j\) for this object. | |
double [] | getParams () |
Return a table containing the parameters of the current distribution. More... | |
String | toString () |
Returns a String containing information about the current distribution. | |
Public Member Functions inherited from DiscreteDistributionInt | |
abstract double | prob (int x) |
Returns \(p(x)\), the probability of \(x\). More... | |
double | cdf (double x) |
Returns the distribution function \(F\) evaluated at \(x\) (see ( FDistDisc )). More... | |
abstract double | cdf (int x) |
Returns the distribution function \(F\) evaluated at \(x\) (see ( FDistDisc )). More... | |
double | barF (double x) |
Returns \(\bar{F}(x)\), the complementary distribution function. More... | |
double | barF (int x) |
Returns \(\bar{F}(x)\), the complementary distribution function. More... | |
int | getXinf () |
Returns the lower limit \(x_a\) of the support of the probability mass function. More... | |
int | getXsup () |
Returns the upper limit \(x_b\) of the support of the probability mass function. More... | |
double | inverseF (double u) |
Returns the inverse distribution function \(F^{-1}(u)\), where. More... | |
int | inverseFInt (double u) |
Returns the inverse distribution function \(F^{-1}(u)\), where. More... | |
Additional Inherited Members | |
Static Public Member Functions inherited from UniformIntDist | |
static double | prob (int i, int j, int x) |
Computes the discrete uniform probability \(p(x)\) defined in ( fmassuniformint ). | |
static double | cdf (int i, int j, int x) |
Computes the discrete uniform distribution function defined in ( cdfuniformint ). | |
static double | barF (int i, int j, int x) |
Computes the discrete uniform complementary distribution function \(\bar{F}(x)\). More... | |
static int | inverseF (int i, int j, double u) |
Computes the inverse of the discrete uniform distribution function ( invuniformint ). | |
static double [] | getMLE (int[] x, int n) |
Estimates the parameters \((i, j)\) of the uniform distribution over integers using the maximum likelihood method, from the \(n\) observations \(x[k]\), \(k = 0, 1, …, n-1\). More... | |
static UniformIntDist | getInstanceFromMLE (int[] x, int n) |
Creates a new instance of a discrete uniform distribution over integers with parameters \(i\) and \(j\) estimated using the maximum likelihood method based on the \(n\) observations \(x[k]\), \(k = 0, 1, …, n-1\). More... | |
static double | getMean (int i, int j) |
Computes and returns the mean \(E[X] = (i + j)/2\) of the discrete uniform distribution. More... | |
static double | getVariance (int i, int j) |
Computes and returns the variance \(\mbox{Var}[X] = [(j - i + 1)^2 - 1]/{12}\) of the discrete uniform distribution. More... | |
static double | getStandardDeviation (int i, int j) |
Computes and returns the standard deviation of the discrete uniform distribution. More... | |
Static Public Attributes inherited from DiscreteDistributionInt | |
static double | EPSILON = 1.0e-16 |
Environment variable that determines what probability terms can be considered as negligible when building precomputed tables for distribution and mass functions. More... | |
Protected Attributes inherited from UniformIntDist | |
int | i |
int | j |
Protected Attributes inherited from DiscreteDistributionInt | |
double | cdf [] = null |
double | pdf [] = null |
int | xmin = 0 |
int | xmax = 0 |
int | xmed = 0 |
int | supportA = Integer.MIN_VALUE |
int | supportB = Integer.MAX_VALUE |
Static Protected Attributes inherited from DiscreteDistributionInt | |
static final double | EPS_EXTRA = 1.0e-6 |
Represents a constant discrete distribution taking a single integer value with probability 1.
\[ p(x) = \left\{\begin{array}{ll} 1, & \qquad\mbox{for } x = c, \\ 0, & \qquad\mbox{elsewhere. } \end{array}\right. \tag{fconsint} \]
\[ F(x) = \left\{\begin{array}{ll} 0, & \qquad\mbox{ for } x < c \\ 1, & \qquad\mbox{ for } x \ge c. \end{array}\right. \tag{cdfconsint} \]