## S3 method for class 'ClusterAlgo':
[(x, i, j, drop)## S3 method for class 'ClusterAlgo':
[(x, i, j) <- value
## S3 method for class 'ClusterInit':
[(x, i, j, drop)
## S3 method for class 'ClusterInit':
[(x, i, j) <- value
## S3 method for class 'ClusterStrategy':
[(x, i, j, drop)
## S3 method for class 'ClusterStrategy':
[(x, i, j) <- value
## S3 method for class 'IClusterModel':
[(x, i, j, drop)