The World Smells Similarly with and without Apparent OBs
(A) A histogram of the distances for each participant versus all others, using the 110-value raw verbal vector.
(B) A histogram of the distances for each participant versus all others, using the 45-value pairwise odorant similarity vector.
(C) The 140 participants projected into a PCA space of olfactory perception. First 3 PCs shown. The inlay is a histogram of the pairwise distances between participants, with the distance between NAB1 and NAB2 in red. EV, explained variance. ED, Euclidean distance.
See also Figures S6 and S12.