Table 1: Description of tea samples.

YearGroup IDTypeGroup sizeTea gardens per groupRaw variables per sample

20142014INWYa495334148
2014OUTNWYb165114148

20152015INWY687744148
2015OUTNWY100104148

aWY: authentic Wuyi rock-essence tea with a protected geographical indication (GI); bNWY: Non-Wuyi tea.