Chapter Four
Drill down
Use tree diagrams to deconstruct any problem
The only people who see the whole picture are the ones who step outside the frame.
Salman Rushdie, The Ground Beneath Her Feet
BENEFITS OF THIS MENTAL TACTIC
Breaking data down into its components helps you structure projects, find important sources of value and identify root causes. Tree diagrams have stood the test of time to be the key visualisation tools for this. They prompt you to think through the relationships between parts and help you with communicating complex matters. They enable you to ask more useful questions such as “Is what I’m observing an extreme case, or average?” and form hypotheses about the rest of the population in a sample. As a result, they ...
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