Parameter Constrained Logistic Regression

Predicting Shopify taxonomy from product tags using parameter constrained logistic regression

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Model summary

This parameter constrained logistic regression model predicts taxonomy IDs from product tags. Trained at: 2026-05-25T05:32:12+10:00

5CV folds

5.75%Mean test accuracy

676Taxonomy classes

Aggregate statistics

Total train samples: 54,236
Total test samples: 13,559
Mean F1 (weighted): 0.0562
Mean p-adic loss: 0.78037153

Cross-validation fold results

Average p-adic loss across all folds: 0.78037153

Fold	Test Accuracy	F1 Score	P-adic Loss (mean)	Details
0	5.86%	0.0597	0.74795562	View details →
1	6.01%	0.0582	0.81198893	View details →
2	5.92%	0.0577	0.77640834	View details →
3	4.96%	0.0485	0.76949598	View details →
4	5.99%	0.0571	0.79600877	View details →

Largest taxonomy classes

Taxonomy ID	Path	Samples	Share
gid://shopify/TaxonomyCategory/bt	4	125	0.92%
gid://shopify/TaxonomyCategory/lb	15	93	0.69%
gid://shopify/TaxonomyCategory/bu	5	66	0.49%
gid://shopify/TaxonomyCategory/pa	19	24	0.18%
gid://shopify/TaxonomyCategory/na	25	19	0.14%
gid://shopify/TaxonomyCategory/gc	11	15	0.11%
gid://shopify/TaxonomyCategory/os	18	14	0.10%
gid://shopify/TaxonomyCategory/sg	23	13	0.10%
gid://shopify/TaxonomyCategory/me	17	10	0.07%
gid://shopify/TaxonomyCategory/hg	14	9	0.07%
gid://shopify/TaxonomyCategory/bi	6	7	0.05%
gid://shopify/TaxonomyCategory/el	8	7	0.05%
gid://shopify/TaxonomyCategory/ma	16	7	0.05%
gid://shopify/TaxonomyCategory/fb	9	6	0.04%
gid://shopify/TaxonomyCategory/fr	10	6	0.04%
gid://shopify/TaxonomyCategory/rc	20	6	0.04%

Tags with strongest signal

Tag	Taxonomy ID	Path	Weight	Max \|weight\|
ZOX	gid://shopify/TaxonomyCategory/bu	5	3.4427	3.4427