Set of functions for k-nearest neighbors. More...

Functions
integer	__knn_validate_src (varchar point_source, varchar point_column_name, varchar label_column_name, varchar test_source, varchar test_column_name, varchar test_id, varchar output_table, integer k, boolean output_neighbors, varchar fn_dist)

varchar	knn (varchar point_source, varchar point_column_name, varchar point_id, varchar label_column_name, varchar test_source, varchar test_column_name, varchar test_id, varchar output_table, integer k, boolean output_neighbors, text fn_dist, boolean weighted_avg, varchar algorithm, varchar algorithm_params)

varchar	knn (varchar point_source, varchar point_column_name, varchar point_id, varchar label_column_name, varchar test_source, varchar test_column_name, varchar test_id, varchar output_table, integer k, boolean output_neighbors, text fn_dist, boolean weighted_avg, varchar algorithm)

varchar	knn (varchar point_source, varchar point_column_name, varchar point_id, varchar label_column_name, varchar test_source, varchar test_column_name, varchar test_id, varchar output_table, integer k, boolean output_neighbors, text fn_dist, boolean weighted_avg)

varchar	knn (varchar point_source, varchar point_column_name, varchar point_id, varchar label_column_name, varchar test_source, varchar test_column_name, varchar test_id, varchar output_table, integer k, boolean output_neighbors, text fn_dist)

varchar	knn (varchar point_source, varchar point_column_name, varchar point_id, varchar label_column_name, varchar test_source, varchar test_column_name, varchar test_id, varchar output_table, integer k, boolean output_neighbors)

varchar	knn (varchar point_source, varchar point_column_name, varchar point_id, varchar label_column_name, varchar test_source, varchar test_column_name, varchar test_id, varchar output_table, integer k)

varchar	knn (varchar point_source, varchar point_column_name, varchar point_id, varchar label_column_name, varchar test_source, varchar test_column_name, varchar test_id, varchar output_table)

varchar	knn (varchar message)

varchar	knn ()

Detailed Description

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

See also: For a brief introduction to k-nearest neighbors algorithm for regression and classification, see the module description k-Nearest Neighbors.

Function Documentation

◆ __knn_validate_src()

integer __knn_validate_src	(	varchar	point_source,
		varchar	point_column_name,
		varchar	label_column_name,
		varchar	test_source,
		varchar	test_column_name,
		varchar	test_id,
		varchar	output_table,
		integer	k,
		boolean	output_neighbors,
		varchar	fn_dist
	)

◆ knn() [1/9]

varchar knn	(	varchar	point_source,
		varchar	point_column_name,
		varchar	point_id,
		varchar	label_column_name,
		varchar	test_source,
		varchar	test_column_name,
		varchar	test_id,
		varchar	output_table,
		integer	k,
		boolean	output_neighbors,
		text	fn_dist,
		boolean	weighted_avg,
		varchar	algorithm,
		varchar	algorithm_params
	)

◆ knn() [2/9]

varchar knn	(	varchar	point_source,
		varchar	point_column_name,
		varchar	point_id,
		varchar	label_column_name,
		varchar	test_source,
		varchar	test_column_name,
		varchar	test_id,
		varchar	output_table,
		integer	k,
		boolean	output_neighbors,
		text	fn_dist,
		boolean	weighted_avg,
		varchar	algorithm
	)

◆ knn() [3/9]

varchar knn	(	varchar	point_source,
		varchar	point_column_name,
		varchar	point_id,
		varchar	label_column_name,
		varchar	test_source,
		varchar	test_column_name,
		varchar	test_id,
		varchar	output_table,
		integer	k,
		boolean	output_neighbors,
		text	fn_dist,
		boolean	weighted_avg
	)

◆ knn() [4/9]

varchar knn	(	varchar	point_source,
		varchar	point_column_name,
		varchar	point_id,
		varchar	label_column_name,
		varchar	test_source,
		varchar	test_column_name,
		varchar	test_id,
		varchar	output_table,
		integer	k,
		boolean	output_neighbors,
		text	fn_dist
	)

◆ knn() [5/9]

varchar knn	(	varchar	point_source,
		varchar	point_column_name,
		varchar	point_id,
		varchar	label_column_name,
		varchar	test_source,
		varchar	test_column_name,
		varchar	test_id,
		varchar	output_table,
		integer	k,
		boolean	output_neighbors
	)

◆ knn() [6/9]

varchar knn	(	varchar	point_source,
		varchar	point_column_name,
		varchar	point_id,
		varchar	label_column_name,
		varchar	test_source,
		varchar	test_column_name,
		varchar	test_id,
		varchar	output_table,
		integer	k
	)

◆ knn() [7/9]

varchar knn	(	varchar	point_source,
		varchar	point_column_name,
		varchar	point_id,
		varchar	label_column_name,
		varchar	test_source,
		varchar	test_column_name,
		varchar	test_id,
		varchar	output_table
	)

◆ knn() [8/9]

varchar knn ( varchar message )

◆ knn() [9/9]

varchar knn ( )

Functions