Answer: pandas python how to count the number of records or rows in a dataframe

answer re: pandas python how to count the number of records or rows in a dataframe

Jul 4 '13

24

Regards to your question... counting one Field? I decided to make it a question, but I hope it helps...

Say I have the following DataFrame

import numpy as np
import pandas as pd

df = pd.DataFrame(np.random.normal(0, 1, (5, 2)), columns=["A", "B"])

You could count a single column by

df.A.count()
#or

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