One method, five levels of responsibility
Every book applies the same four quadrants: Structure it, Understand it, Choose tools, Build it. What changes from Level 1 to Level 5 is who is affected when it goes wrong: at Level 1 only you, at Level 5 everyone who relies on what you run.
How to read the matrix
3 books
Swipe sideways to compare responsibility levels. Track names stay visible while you browse.
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| Track | L1UserOnly you | L2Power userYour team sees a bad document or a wrong figure | L3BuilderColleagues depend on something you built | L4IntegratorCompany or lab systems and real data are in the loop | L5OperatorWork stops when it breaks, and it must survive you leaving |
|---|---|---|---|---|---|
| Track 18AI for lab data | T18-L01Count Cells With a Ready-Made Model and Check It by Hand | T18-L02Predict a Protein Structure and Read Its Confidence Honestly | T18-L03Build a Cell-Counting Pipeline Your Group Can Rerun and Check | Not offered at this level | Not offered at this level |
Every book keeps its address even while its title and content evolve.