def test_perc_d4_1():
global x_tr, y_tr
# public
labels = set(y_tr)
theta_perc = hand_weights.theta_hand_original.copy()
update = perceptron.perceptron_update(x_tr[110],y_tr[110],theta_perc,labels)
eq_(len(update),0)
update = perceptron.perceptron_update(x_tr[20],y_tr[20],theta_perc,labels)
eq_(len(update),146)
eq_(update[('science','and')],2)
eq_(update[('iama','200')],-1)
def test_perc_d4_1():
global x_tr, y_tr
# public
labels = set(y_tr)
theta_perc = hand_weights.theta_hand_original.copy()
update = perceptron.perceptron_update(x_tr[110],y_tr[110],theta_perc,labels)
eq_(len(update),0)
update = perceptron.perceptron_update(x_tr[20],y_tr[20],theta_perc,labels)
eq_(len(update),146)
eq_(update[('science','and')],2)
eq_(update[('iama','200')],-1)
def test_d4_1_perc_update():
global x_tr_pruned, y_tr
labels = set(y_tr)
theta_perc = Counter()
update = perceptron.perceptron_update(x_tr_pruned[20],y_tr[20],theta_perc,labels)
eq_(len(update),0)
update = perceptron.perceptron_update(x_tr_pruned[110],y_tr[110],theta_perc,labels)
eq_(len(update),122)
eq_(update[('2000s','with')],1)
eq_(update[('1980s','shes')],-2)
eq_(update[('2000s',constants.OFFSET)],1)
eq_(update[('1980s',constants.OFFSET)],-1)