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Prediction Residual Calculator — result sheet
Calculate signed residual, absolute residual, and squared residual from observed and predicted values.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Residual=observed−predicted; absolute residual=|residual|; squared residual=residual².
The sign is preserved so underprediction and overprediction remain distinguishable.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Observed value — minimum -1000000000000; maximum 1000000000000
- Predicted value — minimum -1000000000000; maximum 1000000000000
Worked example
| Input | Value |
|---|---|
| Observed value | 12 |
| Predicted value | 10 |
Residual =2; absolute residual =2; squared residual =4.
Assumptions and limits
- Observed and predicted values use the same scale.
- The residual convention is observed minus predicted.
- Model bias, uncertainty, leverage, and residual-pattern diagnostics are not modeled.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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