bea5955b308361a1b07bc55042e25e54-AuthorFeedback.pdf

SinceGPSisalinearmethod,usingPCAasapre-processing19 step helps avoid problems with co-linear features. We used a publicly available implementation for GPS based on20 the causaldrf package in R. After re-running GPS without PCA on News we obtained similar resultsto the ones in21 Table 3in the paper:6.03 Calibration: Wedidnot23 consider calibration - though it would certainly be an interesting future research direction. We will add discussion about this in the conclusion.