33 lines
813 B
Matlab
33 lines
813 B
Matlab
function p = predict(theta, X)
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%PREDICT Predict whether the label is 0 or 1 using learned logistic
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%regression parameters theta
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% p = PREDICT(theta, X) computes the predictions for X using a
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% threshold at 0.5 (i.e., if sigmoid(theta'*x) >= 0.5, predict 1)
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m = size(X, 1); % Number of training examples
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% You need to return the following variables correctly
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p = zeros(m, 1);
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% ====================== YOUR CODE HERE ======================
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% Instructions: Complete the following code to make predictions using
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% your learned logistic regression parameters.
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% You should set p to a vector of 0's and 1's
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%
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temp = sigmoid(X*theta);
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for i=1:m
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if (temp(i)>=0.5)
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p(i) = 1;
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endif
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endfor
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% =========================================================================
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end
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