Data Programming - Labeling Function Analysis

Now you can evaluate the performance of your labeling functions.
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Tangguh Destio Pramono
May 6, 2023
Published on
May 6, 2023
May 5, 2023
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Let's talk about labeling function analysis and metrics for data programming! Labeling function analysis is the process of using a variety of labeling functions to automatically annotate data. For example, we can make the rule that states every time "love," "like," or "amazing" appear in the dataset return the label "Very Positive Sentiment."

Research has indicated that if you "stack" enough of these rules together you can achieve 95% accuracy, automatically. This will help save time and resources while improving the accuracy of your models. To ensure the best possible results, it's important to monitor the metrics of your labeling functions: this is exactly the new feature that we built! The metrics include Coverage (how much of your data is labeled), Overlap (how much agreement there is between multiple labeling functions), and Conflicts (where labeling functions disagree and need further attention). By understanding and optimizing these metrics, you can fine-tune your programmatic labeling process and achieve better results.

Why is Labeling Function Analysis important?

Labeling function analysis and metrics such as Coverage, Overlap, and Conflicts are crucial for a successful data programming process! With the right labeling functions and metrics, you can ensure that your models are accurately trained to recognize and classify data. This enables you to efficiently evaluate the tweaks you're making to your labeling functions--empowering you to better manage the quality of your labeled data.

Coverage lets you know how much of your data is labeled, while Overlap tells you if multiple labeling functions agree on a label. Conflicts highlight areas that need further examination and refinement. With these metrics, you can trust that your models are getting the best possible data, leading to improved accuracy and efficiency.

Tips on how to improve your Metrics

Ready to boost your programmatic labeling process? Here are some tips to increase your labeling function analysis and metrics!

First, make sure you're using diverse and high-quality labeling functions that cover a wide range of data: This will increase your Coverage metric and ensure that you're capturing all the nuances in your data.

Next, encourage Overlap by using multiple labeling functions on the same data, which will help identify areas where labeling is consistent and areas that require more attention.

Finally, embrace Conflicts as an opportunity for improvement and use those opportunities to refine your labeling functions. By implementing these strategies, you'll see a significant increase in the accuracy and efficiency of your programmatic labeling process.

So let's get labeling and achieve amazing results together!

Get started to make your labeling faster!

To get started with our data programming feature, please contact our support team ( to request access to the Data Programming tool. We will be happy to assist you with any questions you may have and help you running with this powerful tool.

Psst! Here’s the documentation

Happy Labeling!

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