# AIS Winter 2021 Competition — Data

来源：https://www.kaggle.com/competitions/ais-winter-competition/data

本地 Meta Kaggle 快照；不是本次实时页面。

# Dataset Description

<p>Given the star types corresponding to sets of star characteristics, your goal is to make a prediction of the star types given their characteristics of some new stars.</p>
<h2>File descriptions</h2>
<ul>
<li><strong>sample_submission.csv</strong> - Sample formatted csv file of submission</li>
<li><strong>stars_competitor_test.csv</strong> - 96 sets of star characteristics for which you will make predictions of star type</li>
<li><strong>stars_train.csv</strong> - 144 sets of star characteristics and corresponding star types that you will use as training data</li>
<li><strong>metadata.csv</strong> - Supplemental information about the data</li>
</ul>
<h2>Data fields (available in metadata.csv)</h2>
<table>
<tr>
<th><b>Column Name</b></th>
<th><b>Description</b></th>
</tr>
<tr>
<td><b>Temperature</b></td>
<td><b>Star surface temperature in Kelvin</b></td>
</tr>
<tr>
<td><b>L</b></td>
<td><b>Relative Luminosity</b></td>
</tr>
<tr>
<td><b>R</b></td>
<td><b>Relative Radius</b></td>
</tr>
<tr>
<td><b>A_M</b></td>
<td><b>Absolute Magnitude</b></td>
</tr>
<tr>
<td><b>Color</b></td>
<td><b>Star Color</b></td>
</tr>
<tr>
<td><b>Spectral_Class</b></td>
<td><b>Spectral Class of star</b></td>
</tr>
<tr>
<td><b>Type</b></td>
<td><b>Purposely ambiguous star type</b></td>
</tr>
</table>