calculation of Contingency Coefficient.
library(vcd)
assocstats(x)[4]
(For the chi coefficient we are intersted in the Pearsons chi squared)
Interpretation
𝑲∗ = 𝟎 (or close to zero) if 𝑿 and 𝒀 are not (or only very weakly) dependent on each other
𝑲∗ = 𝟏 (or close to one) if 𝑿 und 𝒀 are strongly dependent on each other
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