Machine Learning, Decision Tree, Id3 Algorithm, Covid-19.
IG(S, Cough) = 0.04 IG(S, BreathingIssues) = 0.40 Since the feature Breathing issues have the highest Information Gain it is used to create the root node. Hence, after this initial step our tree looks like this: Next, from the remaining two unused features, namely, Fever and Cough, we decide which