lengthahull {alphahull} | R Documentation |

## Length of the boundary of the alpha-convex hull

### Description

This function calculates the length of the boundary of the `\alpha`

-convex hull of a given sample.

### Usage

```
lengthahull(ahull.arcs)
```

### Arguments

`ahull.arcs` |
Output matrix of arcs returned by |

### Details

The function `lengthahull`

is internally called by the function `ahull`

.

### Value

`length` |
Length of the boundary of the |

### See Also

### Examples

```
## Not run:
# Random sample in the unit square
x <- matrix(runif(100), nc = 2)
# Value of alpha
alpha <- 0.2
# alpha-convex hull
ahull.obj <- ahull(x, alpha = alpha)
# Length of the alpha-convex hull
ahull.obj$length
## End(Not run)
```

[Package

*alphahull*version 2.5 Index]