Symbol c_accepted
ccepted is part of the quantity the equation computes from the expression on the right.
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Why this formula appears here
Rejection sampling generates multiple candidate completions per prompt from a model and keeps only the ones a separate scoring step accepts, using the survivors as supervised fine-tuning data. Llama 2’s RLHF pipeline used exactly this for its first four rounds, generating candidates from the 70-billion-parameter model, scoring them against a trained reward model, and only introducing proximal policy optimisation as a second mechanism in later rounds once the returns from sampling alone began to taper [ 6 ] . A second, independent demonstration in mathematical reasoning makes the mechanism even more explicit: rejection sampling fine-tuning collects correct reasoning paths directly from a…
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Symbol c_gen
en occurs above the fraction bar. The numerator is divided by the entire denominator below it.
Read this term in its guide →How to interpret it
With a fixed numerator, increasing a nonzero denominator reduces the fraction. Read it with the definitions, units, and assumptions supplied by the article.
Research cited beside this formula
Published contexts (1)
A symbol can carry a different meaning in another article. Each occurrence keeps its own guide and term definitions.
Equation 8 · Data & Training
Comparing the Main Approaches to Training Data and Synthetic Data
This equation states an equality: the expressions on both sides have the same value under the article’s assumptions.
Rejection sampling generates multiple candidate completions per prompt from a model and keeps only the ones a separate scoring step accepts, using the survivors as supervised fine-tuning data. Llama 2’s RLHF pipeline used exactly this for its first four rounds, generating candidates from the 70-billion-parameter model, scoring them against a trained reward model, and only introducing proximal policy optimisation as a second mechanism in later rounds once the returns from sampling alone began to taper [ 6 ] . A second, independent demonstration in mathematical reasoning makes the mechanism even more explicit: rejection sampling fine-tuning collects correct reasoning paths directly from a…