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H2O is an in-memory platform for distributed, scalable machine learning.

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machine learning model true negative rate is too low while true positive rate is too high

It looks like there is a clear class imbalance with 218,021 1's and just 13,321 0's. This will result in a large imbalance in your model. The trivial accuracy of your data set is $$\frac{218,021}{23 …
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