kmeans.sql_in File Reference

Set of functions for k-means clustering. More...

Functions
void	internal_execute_using_kmeans_args (varchar sql, float8[][], regproc, integer, float8, varchar)
integer	internal_compute_kmeans (varchar rel_args, varchar rel_state, varchar rel_source, varchar expr_point, varchar agg_centroid)
void	__kmeans_validate_src (varchar rel_source)
boolean	__kmeans_validate_expr (varchar rel_source, varchar expr_point)

Detailed Description

See also

For a brief introduction to k-means clustering, see the module description k-Means Clustering.

Function Documentation

__kmeans_validate_expr()

boolean __kmeans_validate_expr	(	varchar	rel_source,
		varchar	expr_point
	)

__kmeans_validate_src()

void __kmeans_validate_src

(

varchar

rel_source

)

internal_compute_kmeans()

integer internal_compute_kmeans	(	varchar	rel_args,
		varchar	rel_state,
		varchar	rel_source,
		varchar	expr_point,
		varchar	agg_centroid
	)

internal_execute_using_kmeans_args()

void internal_execute_using_kmeans_args	(	varchar	sql,
		float8	[][],
		regproc	,
		integer	,
		float8	,
		varchar
	)