Answers for "read_csv random rows"

Python

1

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)

Posted by: Guest on August-21-2020

Source

Code answers related to "read_csv random rows"

Code answers related to "Python"

Python Answers by Framework

Django
Flask

Browse Popular Code Answers by Language

Python

Javascript

Whatever

Shell/Bash

CSS

Html

PHP

SQL

Java

C#