View source: R/information_theory.R
entropy_2 | R Documentation |
It calculates the entropy between two categorical variables using log2. This log2 is mentioned in most of the Claude Shannon bibliography. Input/target can be numeric or character.
entropy_2(input, target)
input |
numeric/character vector |
target |
numeric/character vector |
Entropy measured in bits
# Measuring entropy between input and target variable
entropy_2(input=data_golf$outlook, target=data_golf$play_golf)
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