Babblu2821 commited on
Commit
2d4d0bf
·
verified ·
1 Parent(s): 87b077a

docs: replace LLM-judge factual ratings with the human pass

Browse files
Files changed (1) hide show
  1. README.md +10 -7
README.md CHANGED
@@ -32,7 +32,7 @@ Code, method and full results: **https://github.com/fayazhussain2821/llm-finetun
32
  > This is a **methodology demonstration**, not a medical tool. Its factual reliability
33
  > has been measured, and while it is the best arm in this project, it is still poor: on
34
  > a blinded review of 20 held-out questions it **contradicted the reference answer or
35
- > invented an entity in 40% of them**, scoring **2.70 out of 5** for factual soundness.
36
  >
37
  > It produces fluent, confident, well-formed text that is frequently wrong. Fluency is
38
  > exactly what makes this dangerous.
@@ -113,16 +113,19 @@ No degeneration — the model does not loop.
113
 
114
  | | mean ↑ | contradicts reference ↓ |
115
  |---|---|---|
116
- | base (control) | 2.30 | 50% |
117
- | **this model** | **2.70** | **40%** |
118
 
119
  Fine-tuning produced **no detectable improvement in factual accuracy** (paired 95% CI
120
- −0.10 to +0.90, spanning zero), despite the automatic metrics reporting large gains.
121
  What *is* detectable is that the untouched base model already beats the fully
122
- fine-tuned GPT-2 arm by +1.10 (95% CI +0.55 to +1.65).
123
 
124
- These ratings were produced by an LLM judge, not a clinician, and are labelled as such
125
- in the source repository. They are a strong prior, not a clinical assessment.
 
 
 
126
 
127
  ## Usage
128
 
 
32
  > This is a **methodology demonstration**, not a medical tool. Its factual reliability
33
  > has been measured, and while it is the best arm in this project, it is still poor: on
34
  > a blinded review of 20 held-out questions it **contradicted the reference answer or
35
+ > invented an entity in 35% of them**, scoring **3.25 out of 5** for factual soundness.
36
  >
37
  > It produces fluent, confident, well-formed text that is frequently wrong. Fluency is
38
  > exactly what makes this dangerous.
 
113
 
114
  | | mean ↑ | contradicts reference ↓ |
115
  |---|---|---|
116
+ | base (control) | 2.90 | 50% |
117
+ | **this model** | **3.25** | **35%** |
118
 
119
  Fine-tuning produced **no detectable improvement in factual accuracy** (paired 95% CI
120
+ −0.20 to +0.90, spanning zero), despite the automatic metrics reporting large gains.
121
  What *is* detectable is that the untouched base model already beats the fully
122
+ fine-tuned GPT-2 arm by +1.10 (95% CI +0.35 to +1.85).
123
 
124
+ These ratings are a human pass, rated blind to which model produced each answer, by
125
+ the repository's author one non-expert rater, not a clinician and not adjudicated by
126
+ a second. An earlier LLM-judge pass over the same sheet scored every arm lower (2.70
127
+ mean, 40% contradiction for this model) but reached every identical verdict; both are
128
+ published in the source repository.
129
 
130
  ## Usage
131