这个是美赛2019年C题的数据可视化以及处理清洗好的数据,里面有大量的excel表格和mat数据文件,应用tableau进行数据可视化,同时运用matlab对清洗后的数据进行机器学习( this is the data visualization of the 2019 c issue of messer and the cleaned data. there are a large number of excel tables and mat data files. the tableau is used for data visualization. at the same time, matlab is used to perform machine learning on the cleaned data.)