3
Suppose you have data:
color height quality
===== ====== =======
green tall good
green short bad
blue tall bad
blue short medium
red tall medium
red short medium
To calculate the entropy for quality in this example:
X = {good, medium, bad}
x1 = {good}, x2 = {bad}, x3 = {medium}
Probability of each x in X:
p1 = 1/6 = 0....
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