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February 12, 2022 13:28
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logistic-04
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from sklearn.metrics import accuracy_score | |
test_x_1 = x_test[:,0] | |
test_x_2 = x_test[:,1] | |
test_x_3 = x_test[:,2] | |
test_x_4 = x_test[:,3] | |
test_x_1 = np.array(test_x_1) | |
test_x_2 = np.array(test_x_2) | |
test_x_3 = np.array(test_x_3) | |
test_x_4 = np.array(test_x_4) | |
test_x_1 = test_x_1.reshape(10,1) | |
test_x_2 = test_x_2.reshape(10,1) | |
test_x_3 = test_x_3.reshape(10,1) | |
test_x_4 = test_x_4.reshape(10,1) | |
index = list(range(10,90)) | |
theta_0 = np.delete(theta_0, index) | |
theta_1 = np.delete(theta_1, index) | |
theta_2 = np.delete(theta_2, index) | |
theta_3 = np.delete(theta_3, index) | |
theta_4 = np.delete(theta_4, index) | |
theta_0 = theta_0.reshape(10,1) | |
theta_1 = theta_1.reshape(10,1) | |
theta_2 = theta_2.reshape(10,1) | |
theta_3 = theta_3.reshape(10,1) | |
theta_4 = theta_4.reshape(10,1) | |
y_pred = theta_0 + theta_1 * test_x_1 + theta_2 * test_x_2 + theta_3 * test_x_3 + theta_4 * test_x_4 | |
y_pred = sigmoid(y_pred) | |
new_y_pred =[] | |
for val in y_pred: | |
if(val >= 0.5): | |
new_y_pred.append(1) | |
else: | |
new_y_pred.append(0) | |
print(accuracy_score(y_test,new_y_pred)) |
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