The SDMX Statistical Working Group (SWG) propose a revision to the "Modelling a Statistical Domain for Data Exchange in SDMX". The new guideline, now called "Modelling Statistical Domains in SDMX" is now available for public review. This process will be open until 4 June 2018. Feedback is welcome before the deadline.

This revision is a complete overhaul of the existing guideline "Modelling a Statistical Domain for Data Exchange in SDMX". In summary, the changes are:

• The addition of multiple domain modelling (as opposed to only a single domain)
• How to document data flows into a diagram and then use it in the modelling method
• How to decompose a starting set of indicators
• Steps on how to optimise the model
• How to decide if a concept should be a dimension, attribute (in a DSD), or reference metadata (in an MSD)
• Several other additions and references to other guidelines

Please send your comments to the SDMX Statistical Working Group (SDMX-SWG) at swg@sdmx.org.