OEG Best Practice: PLANS: This is how we model

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PLANS is the new standard for Anaplan modeling—“the way we model.” This covers more than just the formulas and includes and evolves existing best practices around user experience and Data Hubs. It is a set of rules on the structure and detailed design of Anaplan models. This set of rules will provide both a clear route to good model design for the individual Anaplanner and common guidance on which Anaplanners and reviewers can rely when passing models amongst themselves. 

In defining the standard, everything we do will consider or be based around:

Performance – Use the correct structures and formula to optimize the Hyperblock

Logical – Build the models and formula more logically – See D.I.S.C.O. below

Auditable – Break up the formula for better understanding, performance, and maintainability

Necessary – Don’t duplicate expressions. Store and calculate data and attributes once and reference them many times. Don't have calculations on more dimensions than needed

Sustainable – Build with the future in mind, thinking about process cycles and updates

   
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The standards will be based around three axes:

  • Performance - How do the structures and formula impact the performance of the system?
  • Usability/Auditability - Is the user able to understand how to interact with the functionality?
  • Sustainability - Can the solution be easily maintained by model builders and support?

We will define the techniques to use that balance on the three areas to ensure the optimal design of Anaplan models and architecture.

   
 PLANS_DISCO.jpg D.I.S.C.O

As part of model and module design, we recommend categorizing modules as follows:

Data – Data Hubs, transactional modules, source data; reference everywhere

Inputs – Design for user entry, minimize the mix of calculations and outputs

System – Time management, filters, list attributes modules, mappings, etc.; reference everywhere

Calculations – Optimize for performance (turn summaries off, combine structures)

Outputs -  Reporting modules, minimize data flow out

 

Why build this way?

 

Performance

  • Fewer repeated calculations
  • Optimized structures and formulas

Logical

  • Data and calculations reside in logical places
  • Model data flows can be easily understood

Auditable

  • Model structure can be easily understood
  • Simplified formula (no need for complex expressions)

Necessary

  • Formulas and structures are not repeated
  • Data is stored and calculated once, referenced many times, leading to efficient calculations

Sustainable

  • Models can be adapted and maintained more easily
  • Expansion and scaling simplified
   

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Performance

Logical

Auditable

Necessary

Sustainable

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