回答此问题可获得 20 贡献值,回答如果被采纳可获得 50 分。
<p>我使用的是Pycharm,我在一个名为collaborative filtering的文件夹中创建了这个项目。我在一个名为ml latest small的文件夹中有一些csv,我也把它放在collaborative filtering文件夹中,该文件夹中有我正在使用的.py文件。在</p>
<p>我得到以下错误:</p>
<pre><code>Traceback (most recent call last):
File "/Users/usernamehere/Desktop/Machine Learning/Lesson 5/CollaborativeFiltering/movies.py", line 32, in <module>
cf = CollabFilterDataset.from_csv(path, 'ratings.csv', 'userId', 'movieId', 'rating')
File "/Users/usernamehere/Desktop/Machine Learning/Lesson 5/CollaborativeFiltering/venv/lib/python3.6/site-packages/fastai/column_data.py", line 146, in from_csv
df = pd.read_csv(os.path.join(path,csv))
File "/Users/usernamehere/Desktop/Machine Learning/Lesson 5/CollaborativeFiltering/venv/lib/python3.6/site-packages/pandas/io/parsers.py", line 709, in parser_f
return _read(filepath_or_buffer, kwds)
File "/Users/usernamehere/Desktop/Machine Learning/Lesson 5/CollaborativeFiltering/venv/lib/python3.6/site-packages/pandas/io/parsers.py", line 449, in _read
parser = TextFileReader(filepath_or_buffer, **kwds)
File "/Users/usernamehere/Desktop/Machine Learning/Lesson 5/CollaborativeFiltering/venv/lib/python3.6/site-packages/pandas/io/parsers.py", line 818, in __init__
self._make_engine(self.engine)
File "/Users/usernamehere/Desktop/Machine Learning/Lesson 5/CollaborativeFiltering/venv/lib/python3.6/site-packages/pandas/io/parsers.py", line 1049, in _make_engine
self._engine = CParserWrapper(self.f, **self.options)
File "/Users/usernamehere/Desktop/Machine Learning/Lesson 5/CollaborativeFiltering/venv/lib/python3.6/site-packages/pandas/io/parsers.py", line 1695, in __init__
self._reader = parsers.TextReader(src, **kwds)
File "pandas/_libs/parsers.pyx", line 402, in pandas._libs.parsers.TextReader.__cinit__
File "pandas/_libs/parsers.pyx", line 718, in pandas._libs.parsers.TextReader._setup_parser_source
FileNotFoundError: File b'/Users/usernamehere/Users/usernamehere/Desktop/Machine Learning/Lesson 5/ratings.csv' does not exist
</code></pre>
<p>我不知道我宣布道路的方式有什么不对。这是我的代码:</p>
^{pr2}$
<p><strong>编辑:</strong></p>
<p>将路径改为<code>path='ml-latest-small/'</code>似乎是可行的。在</p>