21. Pandas Sampling DataFrame - random rows selection and grouping
Pandas - Random Sample of a subset of a DataFrame - rows or columns
https://blog.softhints.com/pandas-ran...
Step 1: Random sampling of rows(columns) from DataFrame by sample()
Step 2: Get random rows with np.random.choice
Step 3: Random sample of rows based on column value
Step 4: Conditional DataFrame sampling with numpy and weights
Step 5: Pandas sample rows by group
Bonus: Pandas DataFrame combine head() and tail()
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