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Question

What challenge is associated with extending the correlated topic model (CTM) to accommodate a potentially unlimited number of topics?

a.

The need for a hierarchical structure

b.

The requirement for prior distribution updates

c.

Difficulty in achieving parameter estimates

d.

Fixed dimensionality of the multivariate Gaussian

Posted under Big Data Computing

Answer: (d).Fixed dimensionality of the multivariate Gaussian Explanation:The challenge associated with extending the correlated topic model (CTM) to accommodate a potentially unlimited number of topics is the fixed dimensionality of the multivariate Gaussian.

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Q. What challenge is associated with extending the correlated topic model (CTM) to accommodate a potentially unlimited number of topics?

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