C2 ,W4,practice lab, exercise 3

Course Q&A Machine Learning Specialization Advanced Learning Algorithms
1

Information Gain from splitting the root on brown cap: 0.13091388234321688
Information Gain from splitting the root on tapering stalk shape: 0.08544279530415388
Information Gain from splitting the root on solitary: 0.2780719051126377

AssertionError Traceback (most recent call last)
in
9
10 # UNIT TESTS
—> 11 compute_information_gain_test(compute_information_gain)

~/work/public_tests.py in compute_information_gain_test(target)
94
95 result = target(X, y, node_indexes, 0)
—> 96 assert np.isclose(result, 0.019973, atol=1e-6), f"Wrong information gain. Expected {0.019973} got: {result}"
97
98 result = target(X, y, node_indexes, 1)

AssertionError: Wrong information gain. Expected 0.019973 got: 0.16485198310317206

Please help me to solve this problem.
I try a lot to calculate information gain but always be false
I know the rules but not work

1 Like
2

Hi!

Can you send me your code in a direct message so I can help?

3

dear @SamReiswig thank you for your response
I send code

5

Hi!

@Viktor3 can you send me your code in a direct message so I can help?

6

Thanks a lot for your quick reply but i already find the error in my code.