# Multi-class COVID-19 Chest x-ray challenge — Data

来源：https://www.kaggle.com/competitions/csc532-2/data

采集时间：2026-10-19T06:35:14Z

This challenge has two multi-class datasets: one labelled and one unlabelled.
File descriptions
DLAI3_Phase3.zip
- the multi-class training set containing three folders of no-finding, thorax-diseases, and covid
sampleSubmission.csv
- a sample submission file in the correct format
VALIDATE.zip
- unlabelled set to be tested and submit in form of the sampleSubmission.csv which is two columns with first column as the filename and the second being "0" for No-Finding; "1" for Thorax-Diseases; and "2" for COVID-19.