twells89/sigma-migration-skills

IBM Cognos Analytics → Sigma — Data Module JSON → Sigma data model, report-spec XML → Sigma workbook (crosstab→pivot, RAVE2 charts, maps), Cognos expression DSL translation, with parity verification. Bundles cognos-to-sigma + cognos-assessment.

Looker (LookML semantic model + LookML/user-defined dashboards) → Sigma data model + workbook (KPI/bar/line/area/pie/donut/scatter/table/pivot, table calcs), with 3-way warehouse parity. Bundles looker-to-sigma + looker-assessment.

MicroStrategy (Strategy One) → Sigma — dossier + classic semantic model (attributes/facts/metrics over a star schema) → Sigma data model + workbook, with deterministic reproduction of Analytical-Engine row-collapse quirks and row-level parity verification. Bundles microstrategy-to-sigma + microstrategy-assessment.

Power BI models/reports → Sigma, DAX translation + gap-scout, with parity verification. Bundles powerbi-to-sigma + powerbi-assessment.

Qlik Sense / Qlik Cloud apps → Sigma, expression + Set Analysis translation, with parity verification. Bundles qlik-to-sigma + qlik-assessment.

Amazon QuickSight analyses/dashboards → Sigma data model + workbook (KPI/bar/line/pie/donut/combo/scatter/table/pivot), with parity verification. Bundles quicksight-to-sigma + quicksight-assessment.

Sisense (ElastiCube / Live data model + dashboards) → Sigma data model + workbook (indicator→KPI, chart/*→chart, pivot2→pivot, table; JAQL→Sigma formulas; filters→controls; columnar layout→24-col grid), with data + layout parity gates and opt-in RLS. Bundles sisense-to-sigma + sisense-assessment.

Tableau workbooks/datasources → Sigma data model + workbook, with parity verification. Bundles tableau-to-sigma + tableau-assessment + tableau-vds-to-cdw (lands published-datasource/extract data in Snowflake or Databricks when it isn't already in the warehouse).

ThoughtSpot models/worksheets + Liveboards → Sigma, TML conversion + Liveboard rebuild (KPI/bar/line/pie/pivot/table, search-query filters) + layout, with parity verification. Bundles thoughtspot-to-sigma + thoughtspot-assessment.