Machine Learning Tutorial Python - 13: K Means Clustering Algorithm - codebasics - 機器學習 Machine Learning 公開課 - Cupoy
K Means clustering algorithm is unsupervised machine learning technique used to cluster data points....
K Means clustering algorithm is unsupervised machine learning technique used to cluster data points. In this tutorial we will go over some theory behind how k means works and then solve income group clustering problem using sklearn, kmeans and python. Elbow method is a technique used to determine optimal number of k, we will review that method as well.
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Code: https://github.com/codebasics/py/blob...
data link: https://github.com/codebasics/py/tree...
Exercise solution: https://github.com/codebasics/py/blob...
Topics that are covered in this Video:
0:00 introduction
0:08 Theory - Explanation of Supervised vs Unsupervised learning and how kmeans clustering works. kmeans is unsupervised learning
5:00 Elbow method
7:33 Coding (start) (Cluster people income based on age)
9:38 sklearn.cluster KMeans model creation and training
14:56 Use MinMaxScaler from sklearn
24:07 Exercise (Cluster iris flowers using their petal width and length)