<木星笔记本的头部错误

Question

我得到这个错误<绑定方法NDFrame。头。它没有正确显示我的数据帧，我该怎么办?我的代码是基本的，下面是:>

import pandas as pd
df = pd.read_csv("/Users/shloak/Desktop/Pandas/Avacado/avocado.csv”)
albany_df = df[ df['region'] == "Albany"]
albany_df.head

这是我的输出

<bound method NDFrame.head of        Unnamed: 0        Date  AveragePrice  Total Volume     4046       4225  
0               0  2015-12-27          1.33      64236.62  1036.74   54454.85   
1               1  2015-12-20          1.35      54876.98   674.28   44638.81   
2               2  2015-12-13          0.93     118220.22   794.70  109149.67   
3               3  2015-12-06          1.08      78992.15  1132.00   71976.41   
4               4  2015-11-29          1.28      51039.60   941.48   43838.39   
...           ...         ...           ...           ...      ...        ...   
17608           7  2018-02-04          1.52       4124.96   118.38     420.36   
17609           8  2018-01-28          1.32       6987.56   433.66     374.96   
17610           9  2018-01-21          1.54       3346.54    14.67     253.01   
17611          10  2018-01-14          1.47       4140.95     7.30     301.87   
17612          11  2018-01-07          1.54       4816.90    43.51     412.17   
4770  Total Bags  Small Bags  Large Bags  XLarge Bags          type  
0       48.16     8696.87     8603.62       93.25          0.0  conventional   
1       58.33     9505.56     9408.07       97.49          0.0  conventional   
2      130.50     8145.35     8042.21      103.14          0.0  conventional   
3       72.58     5811.16     5677.40      133.76          0.0  conventional   
4       75.78     6183.95     5986.26      197.69          0.0  conventional   
...       ...         ...         ...         ...          ...           ...   
17608    0.00     3586.22     3586.22        0.00          0.0       organic   
17609    0.00     6178.94     6178.94        0.00          0.0       organic   
17610    0.00     3078.86     3078.86        0.00          0.0       organic   
17611    0.00     3831.78     3831.78        0.00          0.0       organic   
17612    0.00     4361.22     4357.89        3.33          0.0       organic   
year  region  
0      2015  Albany  
1      2015  Albany  
2      2015  Albany  
3      2015  Albany  
4      2015  Albany  
...     ...     ...  
17608  2018  Albany  
17609  2018  Albany  
17610  2018  Albany  
17611  2018  Albany  
17612  2018  Albany  
[338 rows x 14 columns]>

这是什么原因?我有python3.9和Pandas 1.1.3

Answer 1

head是一个方法，您需要调用它，像这样:albany_df.head().

现在你没有得到一个错误，但你打印方法本身，而不是调用它的结果。