pterrace (version 1.0)

two_circle_size_dat: Point cloud of two circles of same point density but different size

Description

A dataset containing 1000 randomly generated points: 200 points from a radius one circle and 800 points from a radius four circle.

Usage

data(two_circle_size_dat)

Format

A matrix of 1000 rows and 2 columns

Examples

# NOT RUN {
# load data
data(two_circle_size_dat)

# input variables
Xlim <- c(-4,13)
Ylim <- c(-7,7)
lim <- cbind(Xlim, Ylim)
by <- 0.1
spseq <- seq(0.01,3,length.out = 25)

# compute persistence terrace with parallel option
# }
# NOT RUN {
two_circle_size_pt <- computept(two_circle_size_dat,sp=spseq,lim=lim,by=by,par=TRUE)

# draw persistence terrace, satellite view
plotpt(two_circle_size_pt,dimension=1)
# }