Pandas random sample

Pandas sample seed

>>> 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

Source: pandas.pydata.org

Create random dataframe pandas

import numpy as np
import pandas as pd
df = pd.DataFrame(np.random.randint(0,100,size=(100, 4)), columns=list('ABCD'))

Source: stackoverflow.com

Pandas random sample

# n: number of rows to be extracted randomly
# random_state fixed for reproducibility
# replace = True for extraction with replacement

df.sample(n=3, random_state=42, replace=False)

Source: pandas.pydata.org

Similar codes

4 votes174 views1 answer
To_csv without index
Python
112 votes165 views6 answers
Python loops
Python
0 vote194 views1 answer
ImportError: cannot import name 'get_column_letter' openpyxl
Python
0 vote170 views1 answer
Program fibonacci series number in python
Python
0 vote185 views1 answer
Conv2 python
Python
0 vote179 views1 answer
How to use list compression with conditional formatting
Python
1 vote181 views1 answer
Example XlsxWriter in Python
Python
1 vote204 views1 answer
Python permission denied
Python
0 vote178 views1 answer
Python qt grid span
Python
0 vote171 views1 answer
Example 1: Reset Index & Drop Old Index pandas
Python