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pandas sample

>>> df['num_legs'].sample(n=3, random_state=1)
fish      0
spider    8
falcon    2
Name: num_legs, dtype: int64
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pandas df sample

df['num_legs'].sample(n=3, random_state=1)
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df.sample(frac=1)

df.sample(frac=1, replace=True, random_state=1)
      num_legs  num_wings  num_specimen_seen
dog          4          0                  2
fish         0          0                  8
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pd df sample frac

df.sample(frac=0.5, replace=True, random_state=1)
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pandas sample frac

df.sample(frac=0.5, replace=True, random_state=1)
      num_legs  num_wings  num_specimen_seen
dog          4          0                  2
fish         0          0                  8
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pandas sample

>>> df = pd.DataFrame({'num_legs': [2, 4, 8, 0],
...                    'num_wings': [2, 0, 0, 0],
...                    'num_specimen_seen': [10, 2, 1, 8]},
...                   index=['falcon', 'dog', 'spider', 'fish'])
>>> df
        num_legs  num_wings  num_specimen_seen
falcon         2          2                 10
dog            4          0                  2
spider         8          0                  1
fish           0          0                  8
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pandas sample

# Extract 10% of your dataframe
df.sample(frac=0.1, replace=True, random_state=1)
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