DbscanSession

Full name Microsoft.VisualBasic.DataMining.DBSCAN.DbscanSession`1 Assembly Microsoft.VisualBasic.DataMining.Framework Members 8

01 Syntax

Microsoft.VisualBasic.DataMining.DBSCAN.DbscanSession`1

02 Methods

Name	Overloads	Summary
.ctor	1
CheckNeighborPts	1	this function was called by a parallel linq
ExpandClusterParallel	1
ExpandCluster	1
RegionQuery	1	Checks and searchs neighbor points for given point

03 Fields

04 Members

method .ctor #

Parameters

Name	Type	Description
`dbscan`	DbscanAlgorithm(Of `0)	-
`allPoints`	DbscanPoint(Of `0)()	-
`epsilon`	`Double`	Desired region ball range
`minPts`	`Int32`	Minimum number of points to be in a region, density cutoff

method CheckNeighborPts #

this function was called by a parallel linq

Parameters

Name	Type	Description
`pn`	DbscanPoint(Of `0)	-

method ExpandClusterParallel #

ExpandClusterParallel(DbscanPoint(Of `0)(), Int32, Int32)

Parameters

Name	Type	Description
`neighborPts`	DbscanPoint(Of `0)()	other points in same region with point parameter
`clusterId`	`Int32`	given clusterId

method ExpandCluster #

ExpandCluster(DbscanPoint(Of `0)(), Int32, Int32)

Parameters

Name	Type	Description
`neighborPts`	DbscanPoint(Of `0)()	other points in same region with point parameter
`clusterId`	`Int32`	given clusterId

method RegionQuery #

RegionQuery(`0, Boolean)

Checks and searchs neighbor points for given point

Parameters

Name	Type	Description
`point`	`0	centered point to be searched neighbors

Returns

result neighbors

field allPoints #

allPoints

Dataset

field epsilon #

epsilon

radius of center point

field queryCache #

queryCache

the point set index