logpdf_crp_categorical

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function logpdf_crp_categorical(k:Integer, α:Real, θ:Real, n:Integer[_], N:Integer) -> Real

Observe a categorical variate with Chinese restaurant process prior.

• x: The variate.
• α: Concentration.
• θ: Discount.
• n: Enumerated items.
• N: Total number of items.