embedded decision analysis: systems design patterns
TRANSCRIPT
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Systems Design Patterns for Embedded DA
Somik Raha
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Ground Principle
Humans not replaced, but augmented
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Purpose of Tool
Consultative DA Embedded DA
“Knobs for Nerds” Create custom models
to meet particular issues in the situation
!
“Lean Models” Train against common simple templates and
deploy
Bad idea to reuse models
Good idea to reuse models
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User Interface
Consultative DA Embedded DA
“Control-focused” Manage/Edit/Analyze
!
“Role-focused” Multiple roles/views: • Decision-Makers • SMEs • Analysts
!Vignette from Finance
Director
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User Interface
Consultative DA Embedded DA
“Control-focused” Manage/Edit/Analyze
!
“Role-focused” Multiple roles/views: • Decision-Makers • SMEs • Analysts
!Vignette from Finance
Director
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Workflow
Consultative DA Embedded DA
Facilitated through an expert analyst
Real-time mediated by system
Send out requests for data, carefully review the data
received and plug into model for analysis.
Distributed work across roles and geographies.
System turns into a storehouse of useful
information.
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Workflow
Consultative DA Embedded DA
Facilitated through an expert analyst
Real-time mediated by system
Quote: The executive team was able to trust our process because we could show them our numbers in real-time, and the
assumptions behind them.
Send out requests for data, carefully review the data
received and plug into model for analysis.
Distributed work across roles and geographies.
System turns into a storehouse of useful
information.
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Integrity of Model
Consultative DA Embedded DA
Pedigree assured by analyst
Pedigree assured by system
Power tools need careful control Tracks who changed what and why
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Integrity of Model
Consultative DA Embedded DA
Pedigree assured by analyst
Pedigree assured by system
Power tools need careful control Tracks who changed what and why
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Integrity of Model
Consultative DA Embedded DA
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Composite Context
Consultative DA Embedded DA
Decisions are one-off or unique.
Decisions are made in the context of a stream of similar
decisions. !
e.g. Other similar project decisions, or a portfolio of related
decisions
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Composite Context
Embedded DA
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Composite Context
Embedded DA
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Composite Context
Embedded DA
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In Summary
Consultative DA Embedded DA
Knobs for Nerds !
Facilitated through an expert analyst
!Pedigree assured by
analyst !
Decisions are one-off or unique
Lean Models !
Real-time mediated by system
!Pedigree assured by
system !
Decisions are made in the context of a stream
of similar decisions !