Datasets:
File size: 2,808 Bytes
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license: apache-2.0
task_categories:
- robotics
tags:
- LeRobot
- robotics
- tsfile
- modality:timeseries
- timeseries
- format:tsfile
pretty_name: eval3_90_permutation (TsFile)
size_categories:
- 10K<n<100K
configs:
- config_name: default
data_files:
- split: train
path: data/eval3_90_permutation.tsfile
modality:
- tabular
- timeseries
---
# eval3_90_permutation (TsFile)
Apache TsFile version of [`robot-learning-group47/eval3_90_permutation`](https://huggingface.co/datasets/robot-learning-group47/eval3_90_permutation).
## Overview
A [LeRobot](https://github.com/huggingface/lerobot) (v3.0) robot-manipulation
evaluation dataset collected on a `so_follower` arm. Each episode records a
pick-and-place rollout — placing a coke can onto one of three printed portraits —
sampled frame by frame as commanded action and measured arm state.
- **Robot:** `so_follower` (6-DoF arm).
- **Tasks (3):**
- "Place the coke on Taylor Swift."
- "Place the coke on Barack Obama."
- "Place the coke on Yann LeCun."
- **Scale:** 90 episodes, 20,221 frames, single `train` split.
- **Sampling rate:** 15 fps.
- **Videos:** one front camera stream (`observation.images.front`) in the original
dataset; not included here (see below).
## Schema (TsFile structure)
- **Time** (INT64, milliseconds) — `round(timestamp * 1000)`, restarts per episode.
- **episode_index** (TAG) — episode device dimension; query one episode with
`WHERE episode_index=0`.
- **task_index** (TAG) — task device dimension (3 tasks: 0/1/2 as listed above).
- **frame_index** (FIELD, INT64) — original per-episode frame counter.
- **sample_index** (FIELD, INT64) — source `index` column, renamed.
- **action_0..action_5** (FIELD, FLOAT) — commanded 6-DoF action.
- **observation_state_0..observation_state_5** (FIELD, FLOAT) — measured 6-DoF
arm state.
Vector columns are flattened by preserving the source name (`.` → `_`) and
appending the element index. The source `timestamp` column is dropped because it
equals `Time ÷ 1000` seconds.
## Attachments
- `eval3_episode_permutation_map.csv` / `eval3_episode_permutation_map.json` —
the evaluation episode permutation map, mirrored as-is from the source dataset.
## Videos
The front camera video stream is not included in this TsFile repository. It
remains in the original dataset under
[`videos/`](https://huggingface.co/datasets/robot-learning-group47/eval3_90_permutation/tree/main/videos).
## Usage
Read the `.tsfile` files with the Apache TsFile Java or Python SDK.
## Source & license
- Original dataset: https://huggingface.co/datasets/robot-learning-group47/eval3_90_permutation
- Author / publisher: robot-learning-group47
- Created with: [LeRobot](https://github.com/huggingface/lerobot) (codebase v3.0)
- License: apache-2.0
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