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card: retrained on 1,674 examples (loss 0.97), expanded corpus

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@@ -37,9 +37,14 @@ Domain-specific to Dyno Nobel AU products.
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  ## Training
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  - **Base:** Qwen/Qwen3-4B
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  - **Method:** QLoRA (4-bit nf4), r=16, α=32, dropout=0.05, targets all attn + MLP projections
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- - **Data:** 602 synthetic grounded examples — 584 `[N]`-cited answers (SDS sections, tech specs, guides, case studies) + 18 refusal / safe-decline examples — generated by a teacher model over retrieved context
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  - **Schedule:** 3 epochs, lr 1e-4 cosine, full-sequence SFT
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- - **Result:** final `train_loss` 1.48 (2.54 → 1.12), token accuracy 57% → 76%
 
 
 
 
 
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  ## Files
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  - `*.safetensors` — merged fp16 weights (load with `transformers`)
 
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  ## Training
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  - **Base:** Qwen/Qwen3-4B
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  - **Method:** QLoRA (4-bit nf4), r=16, α=32, dropout=0.05, targets all attn + MLP projections
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+ - **Data:** **1,674 synthetic grounded examples**1,656 `[N]`-cited answers + 18 refusal / safe-decline examples — generated by a teacher over retrieved context, covering SDS sections, technical specs, application/case-study/brochure topics, Explosive Engineers Guide articles, industrial chemicals, and blast calculators
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  - **Schedule:** 3 epochs, lr 1e-4 cosine, full-sequence SFT
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+ - **Result:** final `train_loss` **0.97**
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+
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+ Retrieval corpus (companion dataset repo): **3,819 chunks across 682 documents** —
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+ dynonobel.com.au + dynonobel.com (126 products) + the Explosive Engineers Guide app
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+ (4 regions) + Industrial Chemicals + resource-centre case studies/guides/brochures +
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+ blast calculators.
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  ## Files
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  - `*.safetensors` — merged fp16 weights (load with `transformers`)