Module 7: clustering and learning paradigms

{
  "module": 7,
  "dataset": "UCI red wine chemistry",
  "selected_k": 2,
  "selection": "validation silhouette after training-fitted scaling",
  "test_observations": 243,
  "inertia_train": 10008.78683950145,
  "quality_used_for_fit_or_selection": false
}

Cluster numbers are arbitrary IDs, not ranks or taste classes. Different scales, seeds, and shapes can change the partition.

Silhouette is an internal geometry criterion, not ground-truth accuracy or an operational benefit measure.

This static observational dataset supports supervised/unsupervised comparison. It has no action/reward interaction needed to validate a reinforcement-learning policy.

K Comparison

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k comparison
clustersvalidation_silhouette
20.20600429539745005
30.18406511944354823
40.16216295619227458

Cluster Profiles

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cluster profiles
clusterfixed acidityvolatile aciditycitric acidresidual sugarchloridesfree sulfur dioxidetotal sulfur dioxidedensitypHsulphatesalcohol
09.8444444444444450.41527777777777780.468111111111111142.69222222222222250.104211111111111114.92222222222222245.9777777777777740.99763111111111113.21700000000000050.766888888888888810.65
17.2915032679738550.60310457516339880.14686274509803922.51372549019607840.0787385620915032818.60130718954248552.137254901960790.99592307189542483.38045751633986940.601372549019607910.47549019607843

Cluster Counts

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cluster counts
clusterobservations
090
1153

Test Assignments

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test assignments
record_idcluster
170
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331
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381
571
581
691
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981
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1241
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