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The Caterpillar was developed by the ABS as a reference model to support the Business Statistics Innovation Program (BSIP) launched in 2002. It became, across the ABS, the most widely used reference model for the statistical business model within the ABS prior to the formal adoption of GSBPM in 2009.

In terms of numbering from the GSBPM :

  1. Needs emerge from the Statistical Leadership aspect of the caterpillar (possibly having been fed back from Evaluate and Tune). Needs can be clarified in detail during the Design and Tune phase (eg consulting with an external stakeholder group on design issues).
  2. Design very much equates to the Design and Tune arrow at the start of the caterpillar.
  3. Build is also largely in the Design and Tune arrow. Within the ABS currently, partly due to a lack of metadata driven systems, "design" and "build" often tend to go hand in hand (eg for collection instruments). Also, many business surveys - which informed the original design of the caterpillar - are conducted very regularly so the actual amount of "design and tune" (and build) effort for each cycle of the survey is very limited compared with the amount of work which then occurs in subsequent steps in the caterpillar. Separating out Build from Design in the GSBPM, however, better reflects where the ABS seeks to go in the future.
  4. Collect largely equates to Acquire Data.
  5. Process largely equates to Process Inputs and some aspects of Transform Inputs Into Statistics (eg weighting).
  6. Analyse in the GSBPM includes some aspects of Transform Inputs Into Statistics in the ABS model (eg seasonal analysis, macro editing). It also covers Analysis and Explanation in the ABS model. The difference in the ABS model is that Analysis and Explanation commences once data is "finalised" (unless an anomaly is detected in the phase that causes earlier work to be redone) rather than including finalising some aspects of the data (eg producing seasonally adjusted and trended estimates).
  7. Disseminate in the GSBPM largely equates to Assemble and Disseminate and stretches into Decision Support in terms of helping clients make use of the content we have disseminated and answering their questions.
  8. Archive in the GSBPM is underdone in the Caterpillar. In reality it is covered in a low key manner as longer term aspects of Assemble and Disseminate and Decision Support as well as part of data management policy under Manage quality and process at the bottom of the diagram. In the context of sharing data on a sustainable long term basis within the National Statistical Service (NSS), however, its relevance to Statistical Leadership is increasingly being recognised. The explicit reference in the GSBPM, therefore, makes sense in the ABS context.
  9. Evaluate in the GSBPM corresponds with the Evaluate and Tune arrow in the Caterpillar.
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