What will be the perplexity value if you calculate the perplexity of an unsmoothed language model on a test corpus with unseen words?
A. 0
B. Infinity
C. any non-zero value
D. None of the above
Answer:B
What will be the perplexity value if you calculate the perplexity of an unsmoothed language model on a test corpus with unseen words?
A. 0 B. Infinity C. any non-zero value D. None of the above