ball_unif {OSFD}

(Quasi) uniform points in a p-dimensional ball

Description

ball_unif generate random or quasi-random uniform points in a p-dimensional ball.

Usage

ball_unif(cen, rad, n, rand = TRUE)

Arguments

cen

a vector specifying the center of the ball.

rad

radius of the ball.

n

number of points.

rand

whether to generate random or quasi random points. Default value is TRUE.

Details

ball_unif generate random uniform points or quasi uniform points by twinning algorithm in a p-dimensional ball.

Value

a matrix of the generated points.

References

Vakayil, Akhil, and V. Roshan Joseph. "Data twinning." Statistical Analysis and Data Mining: The ASA Data Science Journal 15.5 (2022): 598-610.

Wang, Shangkun, Adam P. Generale, Surya R. Kalidindi, and V. Roshan Joseph. "Sequential Designs for Filling Output Spaces." Technometrics, to appear (2023).

Examples

x = ball_unif(c(0,0),1,10,rand=FALSE)
plot(x,type='p')