read_pickle函数pandas可用于从文件加载任何 pickled 的pandas对象。 df c1 a c2 b d lvl1 lvl2 a c 1 5 d 2 6 b c 3 7 d 4 8 df.to_pickle("foo.pkl") pd.read_pickle("foo.pkl") c1 a c2 b d lvl1 lvl2 a c 1 5 d 2 6 b c 3 7 d 4 8 写 使用DataFrame的to_pickle属性就...
Series.to_pickle(path, compression='infer', protocol=5, storage_options=None)Pickle(序列化)对象到文件。参数: path:str 将存储 pickle 对象的文件路径。 compression:str 或 dict,默认 ‘infer’ 用于输出数据的即时压缩。如果 ‘infer’ and ‘path’ path-like,则从以下扩展名检测压缩:“.gz”、“.bz2...
简介:Python pandas库|任凭弱水三千,我只取一瓢饮(5) S~W: Function46~56 Types['Function'][45:]['set_eng_float_format', 'show_versions', 'test', 'timedelta_range', 'to_datetime', 'to_numeric', 'to_pickle', 'to_timedelta', 'unique', 'value_counts', 'wide_to_long'] Function46 ...
协议参数的负值相当于将其值设置为HIGHEST_PROTOCOL。 例子 >>>original_df = pd.DataFrame({"foo": range(5),"bar": range(5,10)})>>>original_df foo bar005116227338449>>>original_df.to_pickle("./dummy.pkl")>>>unpickled_df = pd.read_pickle("./dummy.pkl")>>>unpickled_df foo bar005116...
有同样的问题。使用兼容版本的pandas读取,然后保存为可以从旧版本读取的不同格式。feather或HDF5,都适合...
BUG: pd.read_pickle not backwards compatible from v2.1.0 to v1.3.4 #55137 Closed 3 tasks done Tracked by #5 elerys opened this issue Sep 14, 2023· 17 comments · Fixed by #56308 Closed 3 tasks done Tracked by #5 BUG: pd.read_pickle not backwards compatible from v2.1...
有同样的问题。使用兼容版本的pandas读取,然后保存为可以从旧版本读取的不同格式。feather或HDF5,都适合...
loaded_series = pd.read_pickle("sample_series.pkl") print(loaded_series) Output: 0 1 1 2 2 3 3 4 4 5 Name: Sample Series, dtype: int64 As you can see, all the attributes of the Series, such as thenameanddtype, are preserved during this process. ...
二进制 Python Pickle 格式 read_pickle to_pickle SQL SQL read_sql to_sql SQL Google BigQuery read_gbq to_gbq 这里是一些 IO 方法的非正式性能比较。 注意 对于使用StringIO类的示例,请确保在 Python 3 中导入它时使用from io import StringIO。 CSV & 文本文件 用于读取文本文件(也称为平面文件)的主要...
df.to_pickle(path, compression=compression) 開發者ID:Frank-qlu,項目名稱:recruit,代碼行數:7,代碼來源:test_pickle.py 示例11: test_read_infer ▲點讚 5▼ # 需要導入模塊: import pandas [as 別名]# 或者: from pandas importto_pickle[as 別名]deftest_read_infer(self, ext, get_random_path):ba...