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---
dataset_name: cleaned-plotqa-v2-difficulty
tags:
- plotqa
- visual-question-answering
- curriculum-learning
- difficulty-estimation
- rule-based
---
# Cleaned-PlotQA v2 with difficulty tiers (vectorized + calibrated)
This repository augments jrc/cleaned-plotqa-v2 by adding a single column difficulty_tier ∈ {easy, medium, hard} computed with a vectorized, batch‑scored rule set and cutoffs calibrated on a 1,000‑example sample to avoid tier collapse.
## Tier counts
- easy: 77403
- medium: 78521
- hard: 43369
- total labeled: 199293
## Notes
- Only one new column is added; original fields remain unchanged.
- The scoring runs batched (8192) with multiprocessing (num_proc=4) for speed; adjust to fit memory/CPU limits.
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