Third week of machine learning on Coursera

Third week of machine learning on Coursera @(Coursera) Classification Logistic Regression Model其實是個分類算法,邏輯迴歸的假設函數其實是線性模型的基礎上加上了個sigmod()函數: hθ(x)=g(θTx) g(z)=11+e−z,表示sigmoid函數. Descision Boundary(決策邊
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