freeCodeCamp/curriculum/challenges/chinese/08-data-analysis-with-python/data-analysis-with-python-course/data-analysis-example-b.md

---
id: 5e9a093a74c4063ca6f7c14e
title: Data Analysis Example B
challengeType: 11
videoId: 0kJz0q0pvgQ
dashedName: data-analysis-example-b
---

# --description--

*Instead of using notebooks.ai like it shows in the video, you can use Google Colab instead.*

More resources:

-   [Notebooks on GitHub](https://github.com/ine-rmotr-curriculum/FreeCodeCamp-Pandas-Real-Life-Example)
-   [How to open Notebooks from GitHub using Google Colab.](https://colab.research.google.com/github/googlecolab/colabtools/blob/master/notebooks/colab-github-demo.ipynb)

# --question--

## --text--

What does the `loc` method allow you to do?

## --answers--

Retrieve a subset of rows and columns by supplying integer-location arguments.

---

Access a group of rows and columns by supplying label(s) arguments.

---

Returns the first `n` rows based on the integer argument supplied.

## --video-solution--

2
fix: QA/Infosec update and python to chinese 2020-08-13 12:00:20 +02:00			`---`
			`id: 5e9a093a74c4063ca6f7c14e`
chore(i8n,learn): processed translations 2021-02-06 04:42:36 +00:00			`title: Data Analysis Example B`
fix: QA/Infosec update and python to chinese 2020-08-13 12:00:20 +02:00			`challengeType: 11`
			`videoId: 0kJz0q0pvgQ`
feat(curriculum): restore seed + solution to Chinese (#40683) * feat(tools): add seed/solution restore script * chore(curriculum): remove empty sections' markers * chore(curriculum): add seed + solution to Chinese * chore: remove old formatter * fix: update getChallenges parse translated challenges separately, without reference to the source * chore(curriculum): add dashedName to English * chore(curriculum): add dashedName to Chinese * refactor: remove unused challenge property 'name' * fix: relax dashedName requirement * fix: stray tag Remove stray `pre` tag from challenge file. Signed-off-by: nhcarrigan <nhcarrigan@gmail.com> Co-authored-by: nhcarrigan <nhcarrigan@gmail.com> 2021-01-13 03:31:00 +01:00			`dashedName: data-analysis-example-b`
fix: QA/Infosec update and python to chinese 2020-08-13 12:00:20 +02:00			`---`

chore(learn): Applied MDX format to Chinese curriculum files (#40462) 2020-12-16 00:37:30 -07:00			`# --description--`
fix: QA/Infosec update and python to chinese 2020-08-13 12:00:20 +02:00
chore(i8n,learn): processed translations 2021-02-06 04:42:36 +00:00			`Instead of using notebooks.ai like it shows in the video, you can use Google Colab instead.`

fix: QA/Infosec update and python to chinese 2020-08-13 12:00:20 +02:00			`More resources:`

chore(i8n,learn): processed translations 2021-02-06 04:42:36 +00:00			`- [Notebooks on GitHub](https://github.com/ine-rmotr-curriculum/FreeCodeCamp-Pandas-Real-Life-Example)`
			`- [How to open Notebooks from GitHub using Google Colab.](https://colab.research.google.com/github/googlecolab/colabtools/blob/master/notebooks/colab-github-demo.ipynb)`
fix: QA/Infosec update and python to chinese 2020-08-13 12:00:20 +02:00
chore(learn): Applied MDX format to Chinese curriculum files (#40462) 2020-12-16 00:37:30 -07:00			`# --question--`
fix: QA/Infosec update and python to chinese 2020-08-13 12:00:20 +02:00
chore(learn): Applied MDX format to Chinese curriculum files (#40462) 2020-12-16 00:37:30 -07:00			`## --text--`
fix: QA/Infosec update and python to chinese 2020-08-13 12:00:20 +02:00
chore(learn): Applied MDX format to Chinese curriculum files (#40462) 2020-12-16 00:37:30 -07:00			What does the `loc` method allow you to do?

			`## --answers--`

chore(i8n,learn): processed translations 2021-02-06 04:42:36 +00:00			`Retrieve a subset of rows and columns by supplying integer-location arguments.`
chore(learn): Applied MDX format to Chinese curriculum files (#40462) 2020-12-16 00:37:30 -07:00
			`---`

			`Access a group of rows and columns by supplying label(s) arguments.`

			`---`

			Returns the first `n` rows based on the integer argument supplied.

			`## --video-solution--`

			`2`