Data Structure ?
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Data Structure ?
*The above analysis is the result extracted and analyzed by the system, and the specific actual data shall prevail.
README.md
**SDSSについて：**
スローンデジタル全天区画マッピング調査（SDSS）は、全天の4分の1を詳細にマッピングし、数億の天体の位置と絶対光度を測定します。また、100万以上の銀河やクエーサーまでの距離も測定します。
**スカイサーバーについて：**
スカイサーバーは、スローンデジタル全天区画マッピング調査の公開データベース全体を無料で提供します。
**内容**
このファイルには、SDSSスカイサーバーDR12データベースからの様々な天体の10万以上の観測データが含まれています。ご覧の通り、このデータセットには17個の特徴量と1つの目的変数が含まれています。
**Pythonユーザー向けに、[sdsspy](http://code.google.com/p/sdsspy/)パッケージは「sdsspy.util.objid()」と「sdsspy.util.photoid_extract()」を提供しており、それぞれRUN、CAMCOL、FIELD、ID、RERUNをobjIDに変換したり、逆変換したりすることができます。**
**詳細情報については[ここをクリック](https://www.sdss.org/dr12/help/glossary/)してください。**
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- 1. If any data on this site involves infringement, please contact us promptly, and we will arrange for the data to be taken offline.
- 1. The data originates from internet data collection or provided by service providers, and this platform offers users the ability to view and browse datasets.
- 2. This platform serves only as a basic information display for datasets, including but not limited to image, text, video, and audio file types.
- 3. Basic dataset information comes from the original data source or the information provided by the data provider. If there are discrepancies in the dataset description, please refer to the original data source or service provider's address.
- 1. All datasets on this site are copyrighted by their original publishers or data providers.
- 1. If you need to repost data from this site, please retain the original data source URL and related copyright notices.
- 1. If any data on this site involves infringement, please contact us promptly, and we will arrange for the data to be taken offline.
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