[Standard deviation] #pandas

stdev.py

import pandas as pd
import os

FILENAME = 'data.csv'
DATA_DIR = 'data'

path = os.path.join(DATA_FOLDER, FILENAME)
df = pd.read_csv(path)

print(df.std())

# output
# [3663 rows x 5 columns]
# Column1    10.575757
# Column2    0.318273
# Column3    0.299756
# Column4    0.359156
# dtype: float64