When the System Works but the Data Lies: Notes on Survivorship Bias in Large-Scale ML Pipelines

Most ML pipelines fail quietly, not through outages, but through data that looks valid while slowly drifting away from reality. Survivorship bias builds when upstream filters distort what the model believes is “truth.” The real work is learning to dist…


This content originally appeared on HackerNoon and was authored by Jeet Mehta

Most ML pipelines fail quietly, not through outages, but through data that looks valid while slowly drifting away from reality. Survivorship bias builds when upstream filters distort what the model believes is “truth.” The real work is learning to distrust green dashboards and design pipelines that stay sceptical of their own assumptions.


This content originally appeared on HackerNoon and was authored by Jeet Mehta


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Jeet Mehta | Sciencx (2025-12-01T18:34:13+00:00) When the System Works but the Data Lies: Notes on Survivorship Bias in Large-Scale ML Pipelines. Retrieved from https://www.scien.cx/2025/12/01/when-the-system-works-but-the-data-lies-notes-on-survivorship-bias-in-large-scale-ml-pipelines/

MLA
" » When the System Works but the Data Lies: Notes on Survivorship Bias in Large-Scale ML Pipelines." Jeet Mehta | Sciencx - Monday December 1, 2025, https://www.scien.cx/2025/12/01/when-the-system-works-but-the-data-lies-notes-on-survivorship-bias-in-large-scale-ml-pipelines/
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Jeet Mehta | Sciencx Monday December 1, 2025 » When the System Works but the Data Lies: Notes on Survivorship Bias in Large-Scale ML Pipelines., viewed ,<https://www.scien.cx/2025/12/01/when-the-system-works-but-the-data-lies-notes-on-survivorship-bias-in-large-scale-ml-pipelines/>
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Jeet Mehta | Sciencx - » When the System Works but the Data Lies: Notes on Survivorship Bias in Large-Scale ML Pipelines. [Internet]. [Accessed ]. Available from: https://www.scien.cx/2025/12/01/when-the-system-works-but-the-data-lies-notes-on-survivorship-bias-in-large-scale-ml-pipelines/
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" » When the System Works but the Data Lies: Notes on Survivorship Bias in Large-Scale ML Pipelines." Jeet Mehta | Sciencx - Accessed . https://www.scien.cx/2025/12/01/when-the-system-works-but-the-data-lies-notes-on-survivorship-bias-in-large-scale-ml-pipelines/
IEEE
" » When the System Works but the Data Lies: Notes on Survivorship Bias in Large-Scale ML Pipelines." Jeet Mehta | Sciencx [Online]. Available: https://www.scien.cx/2025/12/01/when-the-system-works-but-the-data-lies-notes-on-survivorship-bias-in-large-scale-ml-pipelines/. [Accessed: ]
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» When the System Works but the Data Lies: Notes on Survivorship Bias in Large-Scale ML Pipelines | Jeet Mehta | Sciencx | https://www.scien.cx/2025/12/01/when-the-system-works-but-the-data-lies-notes-on-survivorship-bias-in-large-scale-ml-pipelines/ |

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