clients.append(Client("Carol", server.pubkey))
c = clients[0]
c.fit(X[0], y[0], n_iter=60, eta=0.1)
print("Train", mean_square_error(c.predict(X[0]), y[0]))
print("Test", mean_square_error(c.predict(X_test), y_test))
// Each client trains a linear regressor on its own data
After Change
print(aggr)
for (i, c) in enumerate(clients):
c.weights = aggr
y_pred = c.predict(X_test)
print(mean_square_error(y_pred, y_test))