noisy_circle: 1,500 noisy points sampled on the perimeter of a circle.

Description Usage Format Source References Examples

Description

The circle has radius ~ 2.1 and is based on example 3.2 of [1].

Usage

1

Format

A two dimensional of points.

Source

Generated.

References

Singh, Gurjeet, Facundo Mémoli, and Gunnar E. Carlsson. "Topological methods for the analysis of high dimensional data sets and 3d object recognition." SPBG. 2007.

Examples

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## Example code to generate noisy points around the perimeter of a circle 
n <- 1500
t <- 2*pi*runif(n)
r <- runif(n, min = 2, max = 2.1)
noisy_circle <- cbind(r*cos(t), r*sin(t))

peekxc/Mapper documentation built on June 12, 2020, 2:14 a.m.