What this page covers
- Rank correlation support
- Iman-Conover style modelling
- More realistic joint outcomes
Engine / correlations
Correlations
Correlation handling for uncertainty and risk relationships, so independent-looking inputs do not create a false answer.
Engine / correlations
Risks that move together, modelled together.
Treat every input as independent and the simulation quietly cancels risks against each other — the spread narrows and P80 looks better than it is. Set rank correlations on the pairs that share a driver, in a matrix or a heatmap.
| DU-001 | RSK-0012 | RSK-0008 | RSK-0011 | RSK-0022 | RSK-0007 | RSK-0006 | RSK-0026 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Schedule | Probability | Probability | Schedule | Probability | Cost | Probability | Schedule | Probability | Schedule | Probability | Schedule | Probability | Schedule | Cost | ||
| DU-001 | Schedule | 1.0 | ||||||||||||||
| RSK-0012 | Probability | 1.0 | ||||||||||||||
| RSK-0008 | Probability | 1.0 | ||||||||||||||
| Schedule | 1.0 | |||||||||||||||
| RSK-0011 | Probability | 1.0 | ||||||||||||||
| Cost | 1.0 | |||||||||||||||
| RSK-0022 | Probability | 1.0 | ||||||||||||||
| Schedule | 1.0 | |||||||||||||||
| RSK-0007 | Probability | 1.0 | ||||||||||||||
| Schedule | 1.0 | |||||||||||||||
| RSK-0006 | Probability | 1.0 | ||||||||||||||
| Schedule | 1.0 | |||||||||||||||
| RSK-0026 | Probability | 1.0 | ||||||||||||||
| Schedule | 1.0 | |||||||||||||||
| Cost | 1.0 | |||||||||||||||
Correlation keeps related inputs moving together, so the simulation cannot quietly cancel risks against each other. Click any coefficient to change it — the heatmap and pair count follow. Hover a risk code for its ranges.
correlations / methodlive
01Rank (Spearman) correlation between distributions
02Iman-Conover style induced correlation in sampling
03Correlate schedule, cost and probability inputs
04Pair-level coefficients, not a blanket assumption
05Matrix and heatmap views of the same model
06Bulk-set coefficients across many pairs at once
07Filter rows and columns on large registers
08Stops uncertainty cancelling out and flattering P80
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