Hi All , 

For an academic project I am trying to do the following 

Step 1 )     Draw and cluster a N ( lets say 3 ) column dataset by dbscan 
algorithm using  R-project’s fpc package   ( let say they are "training clusters" ) , 
                   Using dbscan as number of clusters are not know before hand  
Step 2 )     Once that is done i want to spread some new 
data points in the above plot space ( lets say these are "test points" ) 
Step 3 )     Find out which "test points" are lying within a boundary  ( kinda convex hull ) of any above discovered training clusters 

I am done with Step1 but pretty much stuck after that , 
Anyone knows how to proceed on the above 

Below is the code i am using for Step 1 ) 
---------------
library('fpc')
x <- read.table("file.dat" , sep=",")
d <- dbscan(x,eps = 1.9, MinPts=3,showplot = 2);
Plot(d);
---------------
  
I am fairly  new to R , started a week back , but covered quite a few online resources without success 
If anyone knows of a better approach of what i am trying to achieve then  please let me know 

Thanks & Regards
Kapil 


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