arize-dataset

1# Arize Dataset Skill
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3> **`SPACE`** — All `--space` flags and the `ARIZE_SPACE` env var accept a space **name** (e.g., `my-workspace`) or a base64 space **ID** (e.g., `U3BhY2U6...`). Find yours with `ax spaces list`.
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5## Concepts
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7- **Dataset** = a versioned collection of examples used for evaluation and experimentation
8- **Dataset Version** = a snapshot of a dataset at a point in time; updates can be in-place or create a new version
9- **Example** = a single record in a dataset with arbitrary user-defined fields (e.g., `question`, `answer`, `context`)
10- **Space** = an organizational container; datasets belong to a space
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12System-managed fields on examples (`id`, `created_at`, `updated_at`) are auto-generated by the server -- never include them in create or append payloads.
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14## Prerequisites
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16Proceed directly with the task — run the `ax` command you need. Do NOT check versions, env vars, or profiles upfront.
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18If an `ax` command fails, troubleshoot based on the error:
19- `command not found` or version error → see references/ax-setup.md
20- `401 Unauthorized` / missing API key → run `ax profiles show` to inspect the current profile. If the profile is missing or the API key is wrong, follow references/ax-profiles.md to create/update it. If the user doesn't have their key, direct them to https://app.arize.com/admin > API Keys
21- Space unknown → run `ax spaces list` to pick by name, or ask the user
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