Тюленев Дмитрий #13
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Тюленев Дмитрий #13
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railbotan
reviewed
Mar 5, 2022
Numpy (26.02)/Numpy_Task.ipynb
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| }, | ||
| { | ||
| "cell_type": "code", | ||
| "source": "z = np.zeros((2, 25))\nprint(z)", |
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Должно было быть z = np.zeros((5, 5))
railbotan
reviewed
Mar 5, 2022
Numpy (26.02)/Numpy_Task.ipynb
Outdated
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "source": "r, c = np.random.randint(3, 7), np.random.randint(2,12)\na = np.random.randint(-20,20,(r,c)) \nprint(a)\nN = (r * c)//2\nprint(N)\nsample = np.random.choice(a.ravel(),size=N )\nprint(sample)", |
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Лучше использовать flatten вместо ravel, так как ravel сохраняет ссылки на оригинальный массив
railbotan
reviewed
Mar 5, 2022
Numpy (26.02)/Numpy_Task.ipynb
Outdated
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "source": "a = np.array([1, np.NaN, np.Inf], float)\nprint(np.isnan(a))\nprint(np.isinf(a))\na[1:]=0\na", |
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Лучше использовать булевую индексацию
a[np.isnan(a) | np.isinf(a)] = 0
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5 баллов |
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Если я запушил то свежачок сразу отправляется в пулл реквест как я понял? |
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5 баллов за Pandas 1 |
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5 баллов Pandas and EDA |
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