I want to link data points based on ids (which are linked numerically) and then make clusters; finally deriving all the clusters + know each cluster size?
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ANINDYA GANGULY
on 10 Sep 2021
Commented: ANINDYA GANGULY
on 11 Sep 2021
Since I am new to matlab, I am noob on coding; Could some one help me figure out a code when using the ids it would feasible to build clusters and stop when a cluster is built and start a new cluster and so on...
I have attached the input file for your reference.
Thanks in advance
J
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Accepted Answer
Walter Roberson
on 10 Sep 2021
filename = 'https://www.mathworks.com/matlabcentral/answers/uploaded_files/734224/Test%20file.xlsx';
T = readtable(filename, 'VariableNamingRule', 'preserve');
ns = T.id; nd = T.id_1;
mask = nd ~= 0;
s = ns(mask); d = nd(mask);
nd = T.id_2;
mask = nd ~= 0;
s = [s; ns(mask)]; d = [d; nd(mask)];
nd = T.id_3;
mask = nd ~= 0;
s = [s; ns(mask)]; d = [d; nd(mask)];
nd = T.id_4;
mask = nd ~= 0;
s = [s; ns(mask)]; d = [d; nd(mask)];
G = graph(s, d);
plot(G)
bins = conncomp(G);
The bins can be analyzed to extract the connected components. At the moment I do not know of any nice way of doing that.
5 Comments
Walter Roberson
on 11 Sep 2021
If coordinates are available, then the graph() object plot() method can be told to use them.
I am not sure what you mean about color codes? Do you mean that you want atoms to be colored according to their type, or do you mean that you want each molecule to be a different color than the other molecules ?
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