Code and dataset from the winter chase measurements

Code and dataset to the article Leinonen, V., Olin, M., Martikainen, S., Karjalainen, P., and Mikkonen, S.: Challenges and solutions in determining dilution ratios and emission factors from chase measurements of passenger vehicles, 2023. See Info.txt for info.本数据集及配套代码对应下述论文：Leinonen V.、Olin M.、Martikainen S.、Karjalainen P.及Mikkonen S.于2023年发表的《基于乘用车追迹测量（chase measurements）确定稀释比（dilution ratios）与排放因子（emission factors）的挑战与解决方案》。相关详情请参阅Info.txt文件。