Separate plot of 32 e-nose sensor results for honey assessment: (a) PCA plot of Leaf, Durian, Malaluka, Coconut, Starfruit, Wax Apple Honey, Nona and Bunga Raya, (b) LDA plot of Leaf, Durian, Malaluka, Coconut, Starfruit, Wax Apple Honey, Nona and Bunga Raya, (c) PCA plot of four different brands of Tualang Honey, Nona, Bunga Raya and two adulterated samples, (d) LDA plot of four different brands of Tualang Honey, Nona, Bunga Raya and two adulterated samples, (e) PCA plot of four different floral origin of New Zealand honey, Nona and Bunga Raya, and (f) LDA plot of New Zealand honey of four different floral origins, Nona and Bunga Raya.