遇到“NameError: name 'plt' is not defined”这个错误时,通常是因为在Python代码中尝试使用了plt这个名称,但没有事先导入Matplotlib库的pyplot模块,或者导入语句存在错误。以下是一些解决这个问题的步骤和注意事项: 1. 检查并导入Matplotlib的pyplot模块 首先,确保你的代码中已经包含了导入Matplotlib库pyplot模块的语句...
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: ...
5 plt.savefig('imgs/ex1_fig2a.eps', format='eps', dpi=300) NameError: name 'plt' is not defined I believe this is a matplotlib issue (see, e.g.,konstantint/matplotlib-venn#33). How can it be corrected? vivekhsridharclosed this ascompletedNov 22, 2018...
感觉是你有一行说明没有注释。加#再试试。'''设置词云样式 '''
在使用matplotlib库的plt.text函数时,如果出现了NameError: name ‘ax’ is not defined的错误,很可能是因为没有正确设置坐标轴对象(ax)。plt.text函数需要一个坐标轴对象作为参数,以便知道在哪个位置绘制文本。要解决这个问题,首先需要创建一个坐标轴对象。可以使用matplotlib库中的subplots函数来创建坐标轴对象。subplo...
6 df NameError: name 'pd' is not defined在网上找了好久,都没有找到解决的办法,有没有高手帮忙下?shigj123456 童生 2 import pandas as pd from matplotlib import pyplot as pltplt.rcParams['font.family'] = 'SimHei' plt.rcParams['axes.unicode_minus'] = False pd.options.display.float_format...
My code was working until now(it made a valid graph), but now I wanted to add soem other things and it says that the ages variable is not defined? the dataset by_regions = akims.loc[~akims.region.isin(['Turkestan region','Zhetisu region'])].groupby('region') ...
` import pandas as pd import matplotlib.pyplot as plt print("***Welcome to the python data analysis app***") x=int(input("Please enter file you wish to review:\n 1. Population Data\n 2. Housing Data\n 3. Exit the program\n ")) if x==1: print("You have entered Population...
使用csv数据文件在百度网盘 import pandas as pd unrate = pd.read_csv('unrate.csv') # pd.to_...
10 min to pandas, p to Plotting and got the below In [187]: df = pd.DataFrame(np.random.randn(1000, 4), index=ts.index, columns=['A', 'B', 'C', 'D']) In [188]: df = df.cumsum() In [189]: plt.figure(); df.plot(); plt.legend(loc='best')---...