Fig. 10From: Analysis of the cryptocurrency market using different prototype-based clustering techniquesMatrix-type representation of the association tests in 2018 using the Fisher’s exact test. Binary colored, where pink color indicates significant association at p-values lower than 0.01. The red box for cluster-categorical variables and the gray box focused on the particular associations with the technological variables. The yellow line represents the trivial association between a variable and its ownBack to article page