Why remove the last PC?

MorganLevineLab / PC-Clocks

Code for the calculation and implementation of the PC Based epigenetic clocks

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Open yiluyucheng opened 2 years ago

yiluyucheng commented 2 years ago

Hello there,

Can I ask what's the logic of removing the last PC after performing PCA and projections at line 33 of the script file 'TrainPCClocks.R'?

Thanks, Yucheng