Normalized Compression Neighbors
NCN(compressor="bzip", nr_estimators=5, sub_sample=1., max_anchor_size=0, random_state=0, verbose=0 )
| Parameter | Description |
|---|---|
| compressor | String. The compressor to use for calculating Normalized Compression Distance. Any of ["bzip","zlib","snappy","lzma"]. * Default: Bzip * |
| nr_estimators | Int. The number of anchor corpus/neighbors to create. * Default: 5 * |
| sub_sample | Float. When fitting on a data set, use sub-sampling. 0.7 means 30% of samples are ignored. * Default: 1. * |
| max_anchor_size | Int. When a random anchor corpus reaches this size (in characters), halt fitting. * Default: 0 (no max size) * |
| random_state | Int. Seed for replication. * default: 0 * |
| verbose | Int. Verbosity level. * default: 0 * |
Currently only unsupervised (fully random anchors) fitting works.
X = ["Document 1", "Document 2", "Document 3"]
y = [1, 0, 1]
clf = NCN()
clf.fit(X, y)
X = clf.transform(X)
X is now a vectorized dataset, with for every sample the distances to all the anchors.
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