take the Data after Clustering

2 views (last 30 days)
Huy Cao
Huy Cao on 28 Nov 2021
Commented: Huy Cao on 28 Nov 2021
Hi, can anyone show me how to take the Data out after we used Clustering. After i used Kmeans Clustering I don't how to take the Data from each Cluster. Thank youuuuu
clear all
close all
clc
rng(2)
[num,txt,raw] = xlsread('ClusteringData.xlsx')
figure;
X=cell2mat(raw);
plot(X(:,2),X(:,1),'.');
[idx,C]= kmeans(X,5);
figure
title 'Kmeans Clustering';
xlabel 'Wing speed';
ylabel 'Power';
gscatter(X(:,2),X(:,1),idx)
hold on
plot(C(:,2),C(:,1),'kx')
legend('Cluster 1','Cluster 2','Cluster 3','Cluster 4','Cluster 5','Cluster Centroid')

Accepted Answer

Image Analyst
Image Analyst on 28 Nov 2021
For example to extract out only class #2 you can use masking
class2Rows = idx == 2;
class2Data = X(class2Rows, :);
  1 Comment
Huy Cao
Huy Cao on 28 Nov 2021
OMG you're the bestttt. Thank youuuuu

Sign in to comment.

More Answers (0)

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!