MatSciChartQ-Traces pairs every question in the MatSciChartQ benchmark (translorentz/materials-science-visual-bench-nc, version 1.8.1-nc) with a step-by-step reasoning trace that works from the chart pixels to the graded answer. There are 4,037 traces covering all twelve chart families and all 40 question types of the parent benchmark, one trace per question row, each shipped alongside the chart image and the exact final answer. The charts… See the full description on the dataset page:
https://huggingface.co/datasets/translorentz/matsci-visual-reasoning-nc.