Library / Decisions / Spatial Choice & Aggregation
Spatial Choice & Aggregation
Rational individuals aggregate into irrational crowds — location and order matter.
INTERACTIVE LAB
Tolerance sandbox (original recreation)
happy 76% • avg. similar neighbors 49% • red ring = wants to move
DECISIONS
When to use / misuse
Use → Voting, siting, assortment. Aggregate rules, not vibes.
Difficulty → Advanced
REDCAPE → Reason · Predict
agent: spatial-choice-checker family: Decisions combine_with: [two other families] rule: state failure mode before acting
Free sources: Coursera M2 (Preference Aggregation)
Attach to a lattice — combines with
Different families, shared jobs. Click to open alongside.
LINEAR
Categorical & Threshold Models
Buckets and cutoffs turn messy attributes into testable if-then rules.
SHARED JOBS: REASON · PREDICT
LINEARLinear Regression
Best-fit line plus a causation audit. A big coefficient is not a big cause.
SHARED JOBS: REASON · PREDICT
DISTRIBUTIONSNormal Distribution
Bell-curve averaging: many small independent effects sum to a predictable center with thin tails.
SHARED JOBS: REASON · PREDICT