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Consider the training for logistic regression model. Assume K=2,y=0, or 1 . The loss function is defined below. where z=wTx,x0=1. J(w)=ylog((z))(1y)log(1(z)) (a) Show that wJ(w)=x(y(z))
Consider the training for logistic regression model. Assume K=2,y=0, or 1 . The loss function is defined below. where z=wTx,x0=1. J(w)=ylog((z))(1y)log(1(z)) (a) Show that wJ(w)=x(y(z)) (b) Now change the encoding for y to y=1, or 1 . Show the result again. Explain the impact of this change
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