Traceback (most recent call last): File "D:\文档\pythonProject\main.py", line 56, in <module> merge_1=pd.merge([df1,df2,df3,df4,df5],on=['year','month','Stkcd']) TypeError: merge() missing 1 required positional argument: 'right'
时间: 2023-11-30 09:02:00 浏览: 29
这个错误提示是因为在使用 pd.merge() 函数时,缺少了要合并的右侧 DataFrame。
可以将代码修改为类似如下的形式:
```python
merge_1 = pd.merge(df1, df2, on=['year', 'month', 'Stkcd'])
merge_2 = pd.merge(merge_1, df3, on=['year', 'month', 'Stkcd'])
merge_3 = pd.merge(merge_2, df4, on=['year', 'month', 'Stkcd'])
merge_4 = pd.merge(merge_3, df5, on=['year', 'month', 'Stkcd'])
```
这样就可以按照顺序将五个 DataFrame 进行逐一合并,得到最终的结果。
相关问题
Traceback (most recent call last): File "D:\文档\pythonProject\main.py", line 56, in <module> merge_1=pd.merge(df1,df2,df3,df5,on=['year','month','Stkcd']) TypeError: merge() got multiple values for argument 'on'
这是因为`pd.merge()`函数的参数中有多个DataFrame同时使用了`on`参数,导致了该错误。正确的写法是将所有的DataFrame作为一个列表传入`pd.merge()`函数,并使用`on`参数指定合并所需的列名,例如:
```
merge_1 = pd.merge([df1, df2, df3, df5], on=['year', 'month', 'Stkcd'])
```
这样就可以将所有的DataFrame按照指定的列名进行合并了。
Traceback (most recent call last): File "D:\瞳行AI\main.py", line 47, in <module> main(opt) File "D:\瞳行AI\main.py", line 30, in main main_window = MainWindow(opt) File "D:\瞳行AI\UILib\MainWindow.py", line 8, in __init__ super(MainWindow, self).__init__(opt) File "D:\瞳行AI\UILib\Layout.py", line 39, in __init__ self.updateCamInfo() File "D:\瞳行AI\UILib\Layout.py", line 189, in updateCamInfo self.processor = MainProcessor( File "D:\瞳行AI\processor\MainProcessor.py", line 37, in __init__ from .AIDetector_pytorch import Detector as FaceTracker File "D:\瞳行AI\processor\AIDetector_pytorch.py", line 6, in <module> from .BaseDetector import baseDet File "D:\瞳行AI\processor\BaseDetector.py", line 1, in <module> from .tracker_deep import update_tracker File "D:\瞳行AI\processor\tracker_deep.py", line 8, in <module> cfg.merge_from_file("deep_sort/configs/deep_sort.yaml") File "D:\瞳行AI\deep_sort\utils\parser.py", line 23, in merge_from_file self.update(yaml.load(fo.read())) TypeError: load() missing 1 required positional argument: 'Loader' 进程已结束,退出代码1
这个错误提示是 Python 中的 YAML 库的问题,可能是因为该库的版本过低或者使用方式不正确导致的。你可以尝试升级 PyYAML 库的版本,或者使用 `yaml.safe_load()` 方法代替 `yaml.load()` 方法。例如:
```python
import yaml
with open("config.yaml", "r") as f:
data = yaml.safe_load(f)
```
另外,你也可以检查一下 `deep_sort.yaml` 配置文件存在,以及该文件是否符合 YAML 的语法规范。