Train Test Split Calculator

Optimize your data splits with stratification and k-fold analysis

Dataset Configuration

Total Dataset Size

Number of samples in your dataset

Training Ratio: 70%

Typical range: 60-80%

Validation Ratio: 15%

Typical range: 10-20%

Class Balance (imbalance ratio)

1.0 = balanced, >1.0 = imbalanced

Training Set

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Validation Set

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Test Set

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Test Ratio

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Split Visualization

Configure your dataset to see recommendations

Configure dataset to see k-fold analysis