constr.hclust-class | R Documentation |

Files belonging to this class hold information about the constrained agglomerative clustering and allows one to display results graphically.

A file belonging to this class is a list with elements:

- merge
A (n-1) by 2 matrix. Row i of file

`"merge"`

describes the merging of clusters at step i of the clustering. If an element j in the row is negative, it means that observation -j was merged at this stage. If j is positive, it means that the merge was with the cluster formed at the (earlier) stage j of the algorithm. Thus negative entries in file`"merge"`

indicate agglomerations of singletons, and positive entries indicate agglomerations of non-singletons.- height
A set of (n-1) non-decreasing real values. The clustering height is the value of the criterion associated with the clustering method for the particular agglomeration.

- order
A vector giving the permutation of the original observations suitable for plotting, in the sense that a cluster plot using this ordering and matrix merge will not have crossing branches.

- labels
Labels for the clustered objects.

- method
The agglomerative clustering method that has been used.

- call
The call that produced the result.

- dist.method
The distance that has been used to create dissimilarity matrix

`"d"`

(only returned if the dissimilarity matrix object has a "method" attribute attached to it).- links
A copy of the list of edges (if a matrix of edges was provided to the function).

- coords
A copy of the coordinates (if coordinates were provided to the function).

The class inherits from `hclust-class`

and describes the
tree produced by the constrained clustering procedure.

All class members except `links`

and `coords`

are identical to
those in `hclust-class`

. several methods designed to process
these objects are expected to also work with `constr.hclust-class`

objects.

No return value

`hclust-class`

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