Third week of machine learning on Coursera

Third week of machine learning on Coursera @(Coursera) Classification Logistic Regression Model其实是个分类算法,逻辑回归的假设函数其实是线性模型的基础上加上了个sigmod()函数: hθ(x)=g(θTx) g(z)=11+e−z,表示sigmoid函数. Descision Boundary(决策边
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