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Understanding of machine learning

2022-04-21 14:04:00 【ddy-ddy】

Machine learning is divided into supervised and unsupervised

Supervised 

 set up aX1+bX2+cX3=y
 Already know more than one training set {
    X1,X2,X3,y}
 What machine learning needs to do is to train a model with the training set , So we can get a,b,c Value 
 among X1,X2,X3 It's called feature （feature）
    y It's called a label （label）

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Unsupervised 

 There is no classification （ That is, there is no label ）
 Through clustering to find a way to get the classification （ for example ：k-means clustering , Hierarchical clustering ）

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