Hybrid Modified -Means with C4.5 for Intrusion Detection Systems in Multiagent Systems

Pseudocode 1

Pseudocode of the standard -means algorithm.

Input: Dataset,

Output: Clusters

() Select initial centroids of clusters randomly.

() Assign every instance   Dataset to the closest centroid to make clusters

() Calculate cluster centroids ,

() For every instance   Dataset Do

 () Reassign to closest cluster centroid; is moved from to

          If  , .

 () Recalculate centroids for clusters and .

() If cluster instances are stabilized Then stop Else go to Step ().