Synthetic Data 101: Synthetic data vs. real/dummy data

Aldo Lamberti
2 min readMar 10, 2023

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https://syntheticus.ai/guide-everything-you-need-to-know-about-synthetic-data

Synthetic data vs. real data

While real-world data is collected by real systems (such as medical tests, banking transactions, or web server logs), synthetic data is generated using machine learning algorithms.

There are several key differences between real-world and synthetic data. Real data is typically limited in size, difficult to access, and may not reflect the full range of possible values or behaviors, making it difficult to manage and analyze. In contrast, synthetic data is much more flexible, easily accessed, and generated in large quantities with greater accuracy to meet specific requirements.

Additionally, synthetic data is privacy compliant as opposed to real data, as it does not contain any personally identifiable information and can’t be easily reverse-engineered to extract sensitive information.

Overall, synthetic data is a powerful tool for organizations that need access to high-quality datasets but either lacks the resources or need to keep their data private.

Synthetic data vs. dummy data

Dummy data isn’t exactly dumb — quite the opposite. It’s mock, fake data that acts as a placeholder for live data in development and testing. Its primary purpose is to help developers understand the functionality, logic, and flow of a system or program before the real data is available.

Synthetic and dummy data are both used during development to simulate live datasets, but they differ in several ways. Synthetic data is generated with machine learning algorithms based on real-world datasets, while developers typically create dummy data manually. Additionally, synthetic data is much more complex than dummy data and is often used to generate realistic datasets with missing or corrupted values.

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About Syntheticus

Founded in 2021 and headquartered Switzerland, Syntheticus is committed to delivering cutting-edge technologies and solutions that address data-sharing challenges.

With a team of experts and collaborations with leading Swiss academic institutions, Syntheticus is at the forefront of innovation and research in Privacy-Enhancing Technologies.

Our privacy-preserving synthetic data solutions help unlock your data’s potential and give you the freedom to use and share it with confidence.

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Aldo Lamberti

Unleashing the Synthetic Data Economy | Privacy Advocate | Founder @ Syntheticus.ai