6.3 Heat Maps of The 2 Sets of Variables
From the heat map, we can see that there is a mixed of both positive and negative correlation between the 2 sets of varaibles (leaning positive). Noticably, umami relates with most of its synonymous flavors such as alliaceous, juicy savory, smokey except HVP and animalic savory.
# Compute the covariance matrix
heat <- cor(basic.taste,others)
# Plot it with corrplot
corrplot(heat, method = "color") 