The Python "NameError: name 'df' is not defined" occurs when we try to access the df (DataFrame) variable before it is defined. To solve the error, make sure to declare the df variable before accessing it. Here is an example of how the error occurs. main.py import pandas as pd #...
我是python 的新手,在 stackoverflow 中用谷歌搜索和搜索了很多小时。但是我的代码仍然有问题。我需要在时间间隔内运行 foo 函数,并填充数据帧(例如,每秒向 df 添加时间戳)。我仍然遇到错误消息: NameErro...
data = pd.concat([df, df0], axis=0) data.drop("timestamp", axis=1, inplace=True)returndata# DataFrame# N-Cryptocurrency Portfolio (tickers)fsym = ['BTC','ETH','XRP','LTC','DASH','XMR','ETC','MAID','XEM','REP']# vs.tsym ='USD'foreinenumerate(fsym):print(e[0], e[1...
I am trying to plot box plot with some data, but I am getting name 'df' is not defined error. Below is the code: import numpy as np import pandas as pd from matplotlib import pyplot as plt import os % matplotlib inline # load the dataset df = pd.read_csv("C:/Users/Kumar Chandan...
When using Pandas in Python, a library for data manipulation and analysis, you might have encountered an error like "NameError: name 'df'/'pd' is not defined". In this Byte, we'll show why these errors occur and how you can avoid them. Understanding this 'df' NameError The df name...
当创建pandas dataframe时出现函数抛出'df not defined'错误通常是由于在创建dataframe的代码中未定义df变量所导致的。 要解决这个问题,您可以按照以下步骤进行操作: 检查代码中是否正确导入了pandas库。确保在代码的开头添加了import pandas as pd语句。 确保在创建dataframe的代码之前定义了名为df的变...
拼写错误，首行导入时把导入的包重命名为detasets，而第三行使用时缺写成datasets，首行拼写错误，应写为dataset
I am trying to run a Spark Dataframe agent to query tabular data. With certain operations the agent decides it needs to import the pyspark.sql.functions package. The agent runs the following code from pyspark.sql.functions import * and then on the following iteration tries running df.groupBy(...
希望这能帮上忙，亲切的问候。