Example of how to get the number of rows in a pandas DataFrame in python:
Table of contents
Create a simple dataframe with pandas
Let's start by creating a simple dataframe df:
>>> import pandas as pd
>>> import numpy as np
>>> data = np.arange(1,13)
>>> data = data.reshape(3,4)
>>> df = pd.DataFrame(data=data,columns=['a','b','c','d'])
>>> df
a b c d
0 1 2 3 4
1 5 6 7 8
2 9 10 11 12
Get the number of rows
To obtain the number of rows of a dataframe we can use the function len()
>>> len(df)
3
References
Links | Site |
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pandas: Get the number of rows, columns, all elements (size) of DataFrame | note.nkmk.me |
Pandas Series: str.len() function | w3resource.com |