Build a custom index in Index Studio
Compose an index for a portfolio, sector, city or supply chain on the Indicator Standard grammar, with the same uncertainty, tests and provenance as NXS-GRX (canonical data, provenance and risk) itself.
End to end on the longest path: about 5.1 d of proposed target service levels. Gates wait for the people named; bars with a fading end have no fixed length.
- Define scope and questionScope · You · instantEntities: countries, ADM areas, sites or assets · Question and decision the index serves · Risk-chain components to coverIndex Studio
- Select indicatorsScope · You · self-serveSearch 451 indicator definitions · Add your own indicators · Polarity and unit checkedIndex Studioindicator standard
- Licence and coverage gate approvalData · NXS-GRX run service · automaticEach input's licence checked for the use · Coverage per entity measured · Gaps flagged, never zero-filledLicence registerPostgreSQL ledger (row-level security)
- Harmonise and impute matrix · indicators × entitiesData · NXS-GRX run service · 1 hourUnits and periods aligned · Flagged imputation only at indicator levelNXS-GRX run serviceindicator standard
- Normalise, weight and aggregateConstruct · You · self-serveNormalisation per indicator · Expert or statistical weights · Geometric, arithmetic or penalised aggregationIndex StudioTested model kernels
- Uncertainty: 1,000 draws matrix · 1,000 drawsConstruct · Monte Carlo engine · 1 hourWeights, normalisation and imputation varied · 90% intervals and class probabilitiesMonte Carlo engine
- Validation suiteTest · NXS-GRX run service · 1 hourInternal coherence · Sensitivity (Sobol) · Correlation with established indices · Leave-one-out stabilityVerification engineTested model kernels
- Method review approvalTest · Index editors · 5 daysMethod and tests reviewed · Disposition recordedPostgreSQL ledger (row-level security)
- Publish to your tenantShip · NXS-GRX Platform · instantAPI endpoint and tiles · Dashboard and embeds · Model cardPrivate tenant (row-level security)Public cut APIVector tiles
| Artifact | Job | Who | Stage |
|---|---|---|---|
| Studio project | Define scope and question | You | Scope |
| Indicator set | Select indicators | You | Scope |
| Coverage report | Licence and coverage gate | NXS-GRX run service | Data |
| Harmonised panel | Harmonise and impute | NXS-GRX run service | Data |
| Method record | Normalise, weight and aggregate | You | Construct |
| Draws file with seed | Uncertainty: 1,000 draws | Monte Carlo engine | Construct |
| Validation report | Validation suite | NXS-GRX run service | Test |
| Review note | Method review | Index editors | Test |
| Index endpoint | Publish to your tenant | NXS-GRX Platform | Ship |
| Model card | Publish to your tenant | NXS-GRX Platform | Ship |
Solutions that use this journey
11 components
Each job names the component it runs on; open a job on the canvas for its steps, checks and artifacts.
Part of NXS-GRX Indices: The global composite, twenty domain indices, specialised series, country and subnational profiles, and custom indices built in Index Studio on the same grammar.