Last active
December 11, 2018 07:35
-
-
Save GuidoTournois/af125bc8b1fb8b0a444b14851c0f32d4 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import pandas | |
| import random | |
| filename = "data.csv" | |
| n = sum(1 for line in open(filename))-1 # Calculate number of rows in file | |
| s = n//10 # sample size of 10% | |
| skip = sorted(random.sample(range(1, n+1), n-s)) # n+1 to compensate for header | |
| df = pandas.read_csv(filename, skiprows=skip) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment