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
| clusters | validation_silhouette |
|---|---|
| 2 | 0.20600429539745005 |
| 3 | 0.18406511944354823 |
| 4 | 0.16216295619227458 |
Cluster Profiles
Download cluster profiles (CSV)
| cluster | fixed acidity | volatile acidity | citric acid | residual sugar | chlorides | free sulfur dioxide | total sulfur dioxide | density | pH | sulphates | alcohol |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 9.844444444444445 | 0.4152777777777778 | 0.46811111111111114 | 2.6922222222222225 | 0.1042111111111111 | 14.922222222222222 | 45.977777777777774 | 0.9976311111111111 | 3.2170000000000005 | 0.7668888888888888 | 10.65 |
| 1 | 7.291503267973855 | 0.6031045751633988 | 0.1468627450980392 | 2.5137254901960784 | 0.07873856209150328 | 18.601307189542485 | 52.13725490196079 | 0.9959230718954248 | 3.3804575163398694 | 0.6013725490196079 | 10.47549019607843 |
Cluster Counts
| cluster | observations |
|---|---|
| 0 | 90 |
| 1 | 153 |
Test Assignments
Download test assignments (CSV)
| record_id | cluster |
|---|---|
| 17 | 0 |
| 20 | 0 |
| 33 | 1 |
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