R: Check if unique elements of a vector appear in contiguous...

ordered.clusters {MESS} | R Documentation

## Check if unique elements of a vector appear in contiguous clusters

### Description

`ordered.clusters` determines if identical elements of a vector appear in contiguous clusters, and returns `TRUE` if the do and `FALSE` otherwise.

### Usage

    ordered.clusters(id)

### Arguments

`id` | a vector

### Value

The function returns TRUE if the elements appear in contiguous clusters and FALSE otherwise

### Author(s)

Claus Ekstrom claus@ekstroem.dk with suggestions from Peter Dalgaard.

### See Also

`duplicated`

### Examples

    x <- c(1, 1, 1, 2, 2, 3, 4, 1, 5, 5, 5)
    ordered.clusters(x)
    ordered.clusters(sort(x))
    ordered.clusters(x[order(x)])

[Package MESS version 0.5.9 Index]