Identification of Working Trucks and Critical Path Nodes for Construction Waste Transportation Based on Electric Waybills: A Case Study of Shenzhen, China

Table 3

Description of the DBSCAN algorithm.

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Input: garbage truck data set ; radius of a neighborhood ; and minimum sample size

Process:

Initialize data set

for :

 Search for , if :

 place in set , then

  end if

end for

Initialize the number of clustering

Initialize the collection of unclustered samples ,

while :

 save set

 obtain data from . Initialize

 while : obtain data from

  if :

  place in

  end if

 end while

  , generate

end while

Output:

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