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Write a program in Python to count the records based on the designation in a given DataFrame
Input −
Assume, we have a DataFrame and group the records based on the designation is −
Designation architect 1 programmer 2 scientist 2
Solution
To solve this, we will follow the below approaches.
Define a DataFrame
Apply groupby method for Designation column and calculate the count as defined below,
df.groupby(['Designation']).count()
Example
Let us see the following implementation to get a better understanding.
import pandas as pd
data = { 'Id':[1,2,3,4,5],
'Designation':
['architect','scientist','programmer','scientist','programmer']}
df = pd.DataFrame(data)
print("DataFrame is\n",df)
print("groupby based on designation:")
print(df.groupby(['Designation']).count())Output
Designation architect 1 programmer 2 scientist 2
Updated on: 24-Feb-2021
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