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: 2026-07-14T05:31:50+10:00

5CV folds

6.67%Mean test accuracy

556Taxonomy classes

Aggregate statistics

Total train samples: 30,760
Total test samples: 7,690
Mean F1 (weighted): 0.0614
Mean p-adic loss: 0.78169730

Cross-validation fold results

Average p-adic loss across all folds: 0.78169730

Fold	Test Accuracy	F1 Score	P-adic Loss (mean)	Details
0	7.06%	0.0703	0.73363018	View details →
1	6.62%	0.0569	0.75413422	View details →
2	7.18%	0.0644	0.79369738	View details →
3	5.33%	0.0497	0.79012891	View details →
4	7.18%	0.0655	0.83689580	View details →

Largest taxonomy classes

Taxonomy ID	Path	Samples	Share
gid://shopify/TaxonomyCategory/bt	Baby & Toddler	257	3.34%
gid://shopify/TaxonomyCategory/lb	Luggage & Bags	99	1.29%
gid://shopify/TaxonomyCategory/bu	Bundles	77	1.00%
gid://shopify/TaxonomyCategory/gc	Gift Cards	27	0.35%
gid://shopify/TaxonomyCategory/pa	Product Add-Ons	27	0.35%
gid://shopify/TaxonomyCategory/os	Office Supplies	21	0.27%
gid://shopify/TaxonomyCategory/na	Uncategorized	19	0.25%
gid://shopify/TaxonomyCategory/sg	Sporting Goods	17	0.22%
gid://shopify/TaxonomyCategory/bi	6	16	0.21%
gid://shopify/TaxonomyCategory/el	8	11	0.14%
gid://shopify/TaxonomyCategory/hg	Home & Garden	10	0.13%
gid://shopify/TaxonomyCategory/me	17	10	0.13%
gid://shopify/TaxonomyCategory/ma	Mature	9	0.12%
gid://shopify/TaxonomyCategory/rc	20	8	0.10%
gid://shopify/TaxonomyCategory/fb	9	6	0.08%
gid://shopify/TaxonomyCategory/fr	10	6	0.08%
gid://shopify/TaxonomyCategory/ae	Arts & Entertainment	5	0.07%

Tags with strongest signal

Tag	Taxonomy ID	Path	Weight	Max \|weight\|
No tag signals available