ordered.clusters {MESS}

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 [e-mail] 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)])