当你在Python编程中遇到“name 'plt' is not defined”这个错误时,通常意味着在你的代码中使用了plt这个别名,但是没有正确地导入与之关联的模块。针对这个问题,你可以按照以下步骤进行检查和修正: 检查是否已导入matplotlib.pyplot模块: 在你的Python脚本或Jupyter Notebook中,确保你已经导入了matplotlib.pyplot模块,并...
$ docker run -it continuumio/anaconda3:latest python -c '\ > import matplotlib; \ > import matplotlib.pyplot as plt; \ > ' Traceback (most recent call last): File "<string>", line 3, in <module> File "/opt/conda/lib/python3.6/site-packages/matplotlib/pyplot.py", line 113, in ...
The Python NameError: name 'plt' is not defined occurs when we use the `pyplot` module without importing it first.
You need to importplt, like so from matplotlib import pyplot as plt Here you can find a working example: https://github.com/marceloprates/prettymaps/blob/main/notebooks/examples.ipynb I'm still having the same issue. Here's the intro to the script: ...
不过基于Web的编辑器，并没有提供过多的代码编写辅助，对于习惯使用IDE编写代码的开发人员，裸写机器学习...
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使用csv数据文件在百度网盘 import pandas as pd unrate = pd.read_csv('unrate.csv') # pd.to_...
1. 变量未被定义 当出现变量未被定义时,我们需要先定义该变量,或者检查变量名是否拼写正确。 例如,下面代码中的freqs变量未被定义,会抛出NameError错误: plt.bar(freqs.index, freqs.values, color="green") plt.show() 我们可以先定义freqs变量再调用: ...
aerror has occured on the blower.pltase turn off the lower,and tum on after waiting 10 econds.also,confirm whether or not the commector doesn't come off. 错误在blower.pltase生成了关闭越低,并且胃在等待10 econds.also以后,证实是否commector不脱去。[translate] ...