Datasets3.1 R: Read CSV Datasets and Column Selection3.2 R: Rename and Relocate Columns3.3 R: Slicing, Column Creation, and Deletion3.4 R: Separate and Unite Columns3.5 R: Sorting Data Frames3.6 R: Pipe3.7 Python: Column Selection3.8 Python: Rename and Relocate Columns3.9 Python: NumPy Slicing, Selection with Index, Column Creation and Deletion3.10 Python: Separate and Unite Columns3.11 Python: Sorting Data FrameQuestions