how-to-count-dataframe-rows.md

How to count dataframe rows

import pandas as pd

data = pd.DataFrame({
  'Vendor': ['US', 'US', 'US', 'KR', 'KR'],
  'Phone': ['ip5', 'ip6', 'ip8', 'sms', 'xi'],
  'Phone Price': [204, 304, 404, 405, 305]
})

res = len(data)

• import pandas as pd - load lib:Pandas module
• pd.DataFrame - creates Pandas DataFrame object
• len( - returns length (rows count) of a given dataframe
• res - will contain rows count

group: count

Example:

import pandas as pd

data = pd.DataFrame({
  'Vendor': ['US', 'US', 'US', 'KR', 'KR'],
  'Phone': ['ip5', 'ip6', 'ip8', 'sms', 'xi'],
  'Phone Price': [204, 304, 404, 405, 305]
})

res = len(data)
print(res)

5