190417-Rearranging and reshaping data
1. Pivoting DataFrames 如果不指定value那麼多個column會被計算 2.Stacking & unstacking DataFrames unstacking dataframes df.unstack(level="") level=1是指第二級 stacking dataframes swapping levels of index df.swaplevel(0
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相關文章
- 1. PYTHON PANDAS之數據重塑（Data Reshaping)
- 2. text, data and bss: Code and Data Size Explained
- 3. Spark Load Data and Export Data
- 4. 翻譯：Data Pages and Data Rows
- 5. python---number and data
- 6. data augmentation and dropout
- 7. Beauty and Big Data
- 8. Data: Values, types and expressions and Variables
- 9. big data characteristics and workflow
- 10. Covariance Matrices and Data Distributions