Python TypeError：尝试从数据帧打印数据时，应为类似字符串或字节的对象

“”“ 我正试图根据从CSV文件检索到的数据绘制一个图表 “”“

“
我得到了这个错误。请注意我是Python新手

        Traceback (most recent call last):
          File "/Users/pradeepallath/Documents/Pycharm/Big_Mart_Sale/Mean_Sale.py", line 13, in <module>
            dataset.plot(x='MinTemp',y='MaxTemp',style=0)
          File "/Users/pradeepallath/anaconda3/lib/python3.7/site-packages/pandas/plotting/_core.py", line 794, in __call__
            return plot_backend.plot(data, kind=kind, **kwargs)
          File "/Users/pradeepallath/anaconda3/lib/python3.7/site-packages/pandas/plotting/_matplotlib/__init__.py", line 62, in plot
            plot_obj.generate()
          File "/Users/pradeepallath/anaconda3/lib/python3.7/site-packages/pandas/plotting/_matplotlib/core.py", line 281, in generate
            self._make_plot()
          File "/Users/pradeepallath/anaconda3/lib/python3.7/site-packages/pandas/plotting/_matplotlib/core.py", line 1063, in _make_plot
            style, kwds = self._apply_style_colors(colors, kwds, i, label)
          File "/Users/pradeepallath/anaconda3/lib/python3.7/site-packages/pandas/plotting/_matplotlib/core.py", line 723, in _apply_style_colors
            nocolor_style = style is None or re.match("[a-z]+", style) is None
          File "/Users/pradeepallath/anaconda3/lib/python3.7/re.py", line 173, in match
            return _compile(pattern, flags).match(string)
        TypeError: expected string or bytes-like object

    Thanks for the assistance

回溯（最近一次呼叫最后一次）：
文件“/Users/pradeepallath/Documents/Pycharm/Big\u Mart\u Sale/Mean\u Sale.py”，第13行，在
dataset.plot（x='MinTemp'，y='MaxTemp'，style=0）
文件“/Users/pradeepallath/anaconda3/lib/python3.7/site packages/pandas/plotting/_core.py”，第794行，在调用中__
返回plot_backend.plot（数据，种类=种类，**kwargs）
文件“/Users/pradeepallath/anaconda3/lib/python3.7/site packages/pandas/plotting/\u matplotlib/\uuuu init\uuuuuu.py”，绘图中第62行
绘图对象生成（）
文件“/Users/pradeepallath/anaconda3/lib/python3.7/site packages/pandas/plotting/_matplotlib/core.py”，第281行，在generate中
self._make_plot（）
文件“/Users/pradeepallath/anaconda3/lib/python3.7/site packages/pandas/plotting/\u matplotlib/core.py”，第1063行，在“make\u plot”中
样式，kwds=self.\u应用\u样式\u颜色（颜色，kwds，i，标签）
文件“/Users/pradeepallath/anaconda3/lib/python3.7/site packages/pandas/plotting/_matplotlib/core.py”，第723行，颜色为“应用样式”
nocolor_style=样式为None或re.match（“[a-z]+”，样式）为None
文件“/Users/pradeepallath/anaconda3/lib/python3.7/re.py”，第173行，匹配
返回编译（模式、标志）。匹配（字符串）
TypeError:应为字符串或类似字节的对象
谢谢你的帮助

---

“

它对

style=0

产生了争议。 熊猫支持matplotlib线样式。

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关于如何查看有效选项，这是一个很好的stackoverflow问题，但实际上整数零不是有效的行样式。

可能是使用astype（str）更改列数据类型，请检查此链接否它不起作用，尝试使用以下命令进行转换。dataset.astype（{'MinTemp'：'int32'}，）.dtypes dataset.astype（{'MaxTemp'：'int32'}）。dtypesCheck首先检查它是什么类型。dataset.dtypes应该提供该信息。首先将CVS加载到数据帧中，然后检查列的dtype属性以隔离错误。熊猫有一个背着你交换数据类型的坏习惯。避免将负载和操作链接到同一个单元中（如果您在jupyter实验室/笔记本中），或者在解释器中的同一命令中同时链接这两个，这也会帮助您解决问题。

        Traceback (most recent call last):
          File "/Users/pradeepallath/Documents/Pycharm/Big_Mart_Sale/Mean_Sale.py", line 13, in <module>
            dataset.plot(x='MinTemp',y='MaxTemp',style=0)
          File "/Users/pradeepallath/anaconda3/lib/python3.7/site-packages/pandas/plotting/_core.py", line 794, in __call__
            return plot_backend.plot(data, kind=kind, **kwargs)
          File "/Users/pradeepallath/anaconda3/lib/python3.7/site-packages/pandas/plotting/_matplotlib/__init__.py", line 62, in plot
            plot_obj.generate()
          File "/Users/pradeepallath/anaconda3/lib/python3.7/site-packages/pandas/plotting/_matplotlib/core.py", line 281, in generate
            self._make_plot()
          File "/Users/pradeepallath/anaconda3/lib/python3.7/site-packages/pandas/plotting/_matplotlib/core.py", line 1063, in _make_plot
            style, kwds = self._apply_style_colors(colors, kwds, i, label)
          File "/Users/pradeepallath/anaconda3/lib/python3.7/site-packages/pandas/plotting/_matplotlib/core.py", line 723, in _apply_style_colors
            nocolor_style = style is None or re.match("[a-z]+", style) is None
          File "/Users/pradeepallath/anaconda3/lib/python3.7/re.py", line 173, in match
            return _compile(pattern, flags).match(string)
        TypeError: expected string or bytes-like object

    Thanks for the assistance