HackerRank Projects for Data Science enables candidates to solve project-based challenges using an integrated JupyterLab IDE, a widely adopted tool in the data science community. This article provides step-by-step instructions to help you effectively use the IDE during your test.
Steps to Solve Data Science Questions
Begin the Test
- Complete the instructions in the test confirmation form.
- Wait a few minutes for the Environment Setup to finish.
- Click Go to Test to start.
View the Question
- Select a Data Science question on the test interface and click on Solve to attempt the question
- Use the collapse question description feature to get more coding area.
Use the Embedded JupyterLab IDE
Key features include:
| Feature | Functionality |
| Run Code Cells | Execute code snippets individually. |
| Access Terminal | Perform system-level operations or install packages. |
| Edit Text Files | Document test details or add configurations. |
| Python Scripts Console | Test Python scripts in an isolated environment. |
Actions you can perform in the IDE
Run Code Cells: Select a cell and click Run.
Access the Terminal: Click the + icon and select Terminal.
Edit Text Files: Create or modify text files for documentation.
Submit Your Solution: After completing a question, click Submit to proceed.
Modify your submission at any time before the test ends by clicking Modify.
Best Practices
- Document your JupyterLab notebook with clear and concise comments.
- Use meaningful variable names and maintain logical code structures for readability.
- Utilize full-screen mode for an enhanced coding experience.
- Check the pre-installed libraries and their versions before beginning.
Troubleshooting
IDE is unresponsive
Restart the kernel: Go to the Kernel menu and select Restart Kernel.
Reset the project: Click on Help and select Reset Project to restart the workspace.
Installed packages are not reflecting
Restart the kernel to ensure the environment detects new installations. Navigate to the Kernel menu and click Restart Kernel.
Package conflicts during installation
- Use Mamba for faster and conflict-free installations.
- Review package information and pre-installed dependencies.
- For unresolved issues, raise a support ticket at support@hackerrank.com.