Index Isin
Sat 17 May 2025
title: "Index isin" author: "Rj" date: 2019-04-24 description: "-" type: technical_note draft: false source: http://pandas.pydata.org/pandas-docs/version/0.24/user_guide/cookbook.html#idioms
import numpy as np
import pandas as pd
df = pd.DataFrame({
'maths' : [80, 89, 90, 20, 60],
'science' : [40, 50, 90, 100, 50],
'language' : [20, 30, 90, 95, 40]
})
df
| maths | science | language | |
|---|---|---|---|
| 0 | 80 | 40 | 20 |
| 1 | 89 | 50 | 30 |
| 2 | 90 | 90 | 90 |
| 3 | 20 | 100 | 95 |
| 4 | 60 | 50 | 40 |
df[df.index.isin([1, 2, 4])]
| maths | science | language | |
|---|---|---|---|
| 1 | 89 | 50 | 30 |
| 2 | 90 | 90 | 90 |
| 4 | 60 | 50 | 40 |
Score: 5
Category: data-wrangling