7344_Y5Y26.csv - Raman spectroscopic profiling dataset of 
5-year and 26-year Gujing Tribute vintage liquors. 

y = 0: 5-year
y = 1: 26-year

Each sample has 2088 Raman wavenumbers, ranging from 251 to 2338 cm-1.  
Three outlier samples were removed.   

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If you use this data set, please add the reference: 
[1] A unified classifiability analysis framework based on meta-learner and its application in spectroscopic profiling data [J]. Applied Intelligence, 2021, doi: 10.1007/s10489-021-02810-8