PLAYGROUND

ECUACIONES DISTRIBUCIÓN BATES

Definición de distribución

XBates(n,min,max)X\sim\mathrm{Bates}\left(n,\text{min},\text{max}\right)

Dominio de distribución

x(min,max)x\in\left(\text{min},\text{max}\right)

Dominio y restricciones de parámetros

nN+,minR,maxRn\in\mathbb{N}^{+},\text{min}\in\mathbb{R},\text{max}\in\mathbb{R}

Función de distribución acumulada

FX(x)=1n!k=0y(1)k(nk)(yk)nF_{X}\left(x\right)=\frac{1}{n!}\sum_{k=0}^{\lfloor y\rfloor}\left(-1\right)^{k}\binom{n}{k}\left(y-k\right)^{n}

Función de densidad de probabilidad

fX(x)=n(maxmin)(n1)!k=0y(1)k(nk)(yk)n1f_{X}\left(x\right)=\frac{n}{\left(\text{max}-\text{min}\right)(n-1)!}\sum_{k=0}^{\lfloor y\rfloor}\left(-1\right)^{k}\binom{n}{k}\left(y-k\right)^{n-1}

Función de punto percentil

FX1(u)=numerical inversion of FXF^{-1}_{X}\left(u\right)=\text{numerical inversion of }F_{X}

Momentos paramétricos no centrados

μ~k=E[(Y12)k]\tilde{\mu}_{k}=E\left[\left(Y-\tfrac{1}{2}\right)^{k}\right]

Media paramétrica

Mean(X)=min+max2\mathrm{Mean}(X)=\frac{\text{min}+\text{max}}{2}

Varianza paramétrica

Variance(X)=(maxmin)212n\mathrm{Variance}(X)=\frac{\left(\text{max}-\text{min}\right)^{2}}{12n}

Coeficiente de asimetría paramétrico

Skewness(X)=0\mathrm{Skewness}(X)=0

Curtosis paramétrica

Kurtosis(X)=365n\mathrm{Kurtosis}(X)=3-\frac{6}{5n}

Mediana paramétrica

Median(X)=min+max2\mathrm{Median}(X)=\frac{\text{min}+\text{max}}{2}

Moda paramétrica

Mode(X)=min+max2\mathrm{Mode}(X)=\frac{\text{min}+\text{max}}{2}

Información y definiciones adicionales

Computing an analytic expression for the inverse of the cumulative distribution function is notfeasible. Nonetheless, it is possible to generate a random sample from the distribution.\text{Computing an analytic expression for the inverse of the cumulative distribution function is not} \\ \text{feasible. Nonetheless, it is possible to generate a random sample from the distribution.}
X=min+(maxmin)1ni=1nUiX=\text{min}+\left(\text{max}-\text{min}\right)\cdot\frac{1}{n}\sum_{i=1}^{n}U_{i}
y=n(xmin)/(maxmin)y=n\cdot\left(x-\text{min}\right)/\left(\text{max}-\text{min}\right)
n:Number of averaged uniforms (Irwin-Hall order)n:\text{Number of averaged uniforms (Irwin-Hall order)}
min:Lower bound of the support\text{min}:\text{Lower bound of the support}
max:Upper bound of the support\text{max}:\text{Upper bound of the support}
(nk):Binomial coefficient\binom{n}{k}:\text{Binomial coefficient}
Ui:Uniform[0,1] random varibleU_{i}:\text{Uniform[0,1] random varible}