/Python/How to read any random rows in csv

How to read any random rows in csv

Pandas read_csv random rows

import pandas as pd
import numpy as np

filename = 'hugedatafile.csv'
nlinesfile = 10000000
nlinesrandomsample = 10000
lines2skip = np.random.choice(np.arange(1,nlinesfile+1), (nlinesfile-nlinesrandomsample), replace=False)
df = pd.read_csv(filename, skiprows=lines2skip)

Source: stackoverflow.com

How to read any random rows in csv

import pandas as pd

data = {
		'Name': ['A', 'B', 'C', 'D', 'E', 'F'],
		'Age': [10, 20, 30, 40, 50, 60]
        }

df = pd.DataFrame(data)
print(df.sample(n=2))   # where 2 is the number of random rows

Similar codes

3 votes160 views1 answer
How to stop python for certain time in python
Python
0 vote165 views1 answer
Reset all weights keras
Python
1 vote155 views1 answer
Tkinter toplevel
Python
0 vote194 views1 answer
Flask where to put db.create_all
Python Flask
63 votes193 views4 answers
Python find in string
Python
1 vote236 views1 answer
Requirements.txt flask
Python Flask
19 votes156 views5 answers
Run python file from another python file
Python
0 vote163 views1 answer
How to get foregine key field from models
Python
1 vote174 views3 answers
How to unique list in python
Python
0 vote143 views1 answer
Chunk size in python large size
Python