An Empirical Study of Validating Synthetic Data for Formula Generation
On the map: Synthetic data and self-improvement for LLMs → LLM synthetic data generation
Abstract (arXiv)
Large language models (LLMs) can be leveraged to help with writing formulas in spreadsheets, but resources on these formulas are scarce, impacting both the base performance of pre-trained models and limiting the ability to fine-tune them. Given a corpus of formulas, we can use a(nother) model to generate synthetic natural language utterances for fine-tuning. However, it is important to validate whether the NL generated by the LLM is indeed accurate to be beneficial for fine-tuning. In this paper, we provide empirical results on the impact of validating these synthetic training examples with surrogate objectives that evaluate the accuracy of the synthetic annotations. We demonstrate that validation improves performance over raw data across four models (2 open and 2 closed weight). Interestingly, we show that although validation tends to prune more challenging examples, it increases the complexity of problems that models can solve after being fine-tuned on validated data.
Key facts. No citing papers in the map yet (data through 7 Oct 2026). Placed in LLM synthetic data generation, one of 13 directions in Synthetic data and self-improvement for LLMs. Builds on 16 of its 24 references that are in the map. First posted on arXiv 15 Jul 2024.
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References · 16
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- 2024Quality Matters: Evaluating Synthetic Data for Tool-Using LLMs
- 2025Scaling Laws of Synthetic Data for Language Models
- 2025Demystifying Synthetic Data in LLM Pre-training: A Systematic Study of Scaling Laws, Benefits, and Pitfalls
- 2026A Survey on Evaluating Quality and Trustworthiness in LLM-Generated Data
- 2024Efficacy of Synthetic Data as a Benchmark
- 2023Synthetic Data Generation with Large Language Models for Text Classification: Potential and Limitations
- 2025Synthetic Data Generation Using Large Language Models: Advances in Text and Code
- 2024Evaluating Language Models as Synthetic Data Generators