介绍
在这个循序渐进的实验中,你将学习 Python pandas 的 DataFrame.idxmax()
方法。该方法用于获取 DataFrame 中沿指定轴的最大值首次出现的索引。在计算过程中,它会排除任何空值或缺失值。
虚拟机提示
虚拟机启动完成后,点击左上角切换到 Notebook 选项卡,以访问 Jupyter Notebook 进行练习。
有时,你可能需要等待几秒钟,直到 Jupyter Notebook 完成加载。由于 Jupyter Notebook 的限制,操作验证无法自动化。
如果你在学习过程中遇到问题,随时可以咨询 Labby。实验结束后请提供反馈,我们将及时为你解决问题。
Skills Graph
%%%%{init: {'theme':'neutral'}}%%%%
flowchart RL
pandas(("Pandas")) -.-> pandas/DataAnalysisGroup(["Data Analysis"])
pandas(("Pandas")) -.-> pandas/DataSelectionGroup(["Data Selection"])
python(("Python")) -.-> python/ModulesandPackagesGroup(["Modules and Packages"])
python(("Python")) -.-> python/PythonStandardLibraryGroup(["Python Standard Library"])
python(("Python")) -.-> python/DataScienceandMachineLearningGroup(["Data Science and Machine Learning"])
pandas(("Pandas")) -.-> pandas/ReadingDataGroup(["Reading Data"])
pandas/ReadingDataGroup -.-> pandas/read_csv("Read CSV")
pandas/ReadingDataGroup -.-> pandas/read_excel("Read Excel")
pandas/DataSelectionGroup -.-> pandas/select_columns("Select Columns")
pandas/DataSelectionGroup -.-> pandas/select_rows("Select Rows")
python/ModulesandPackagesGroup -.-> python/importing_modules("Importing Modules")
pandas/DataAnalysisGroup -.-> pandas/basic_statistics("Basic Statistics")
python/PythonStandardLibraryGroup -.-> python/data_collections("Data Collections")
python/DataScienceandMachineLearningGroup -.-> python/data_analysis("Data Analysis")
python/DataScienceandMachineLearningGroup -.-> python/data_visualization("Data Visualization")
subgraph Lab Skills
pandas/read_csv -.-> lab-68634{{"Pandas DataFrame Idxmax 方法"}}
pandas/read_excel -.-> lab-68634{{"Pandas DataFrame Idxmax 方法"}}
pandas/select_columns -.-> lab-68634{{"Pandas DataFrame Idxmax 方法"}}
pandas/select_rows -.-> lab-68634{{"Pandas DataFrame Idxmax 方法"}}
python/importing_modules -.-> lab-68634{{"Pandas DataFrame Idxmax 方法"}}
pandas/basic_statistics -.-> lab-68634{{"Pandas DataFrame Idxmax 方法"}}
python/data_collections -.-> lab-68634{{"Pandas DataFrame Idxmax 方法"}}
python/data_analysis -.-> lab-68634{{"Pandas DataFrame Idxmax 方法"}}
python/data_visualization -.-> lab-68634{{"Pandas DataFrame Idxmax 方法"}}
end