# How to Detect Hidden Target Leakage in Public Datasets with Python and a Dependency Graph

> Source: <https://ainexusdaily.vercel.app/article/2026-09-19-how-to-detect-hidden-target-leakage-in-public-datasets-with-python-and-a-depende>
> Published: 2026-09-19 17:27:39+00:00

# How to Detect Hidden Target Leakage in Public Datasets with Python and a Dependency Graph

Some time ago, I gave a machine learning model five columns from a public CDC dataset and asked it to predict a sixth column from the same file. The model scored an R² of 0.998, which is about as clos

## Key Takeaways

- •Some time ago, I gave a machine learning model five columns from a public CDC dataset and asked it to predict a sixth column from the same file
- •This story was reported by **freeCodeCamp** , covering developments in the**tutorial** space.
- •AI advancements continue to reshape industries — read the full article on freeCodeCamp for complete coverage.

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