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Tagged with language-models perplexity
8 questions
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484
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Perplexity for different n-gram models
I'm training a Lidstone Model with different n-gram sequences to see witch one is the best (2-gram, 3-gram, 4-gram, etc) in the same text database.
When I give all these models an unseen text sample ...
2
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2
answers
1k
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Calculating perplexity with smoothing techniques (NLP)
This question is about smoothed n-gram language models. When we use additive smoothing on the train set to determine the conditional probabilities, and calculate the perplexity of train data, where ...
3
votes
1
answer
187
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Breaking substitution cipher with language model
Frequency analysis is a common tool used to break substitution ciphers, but often relies on intuition and guesswork of a human. Since language models can objectively calculate perplexity (how ...
0
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1
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3k
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Finding the perplexity of multiple examples
I am trying to find a way to calculate perplexity of a language model of multiple 3-word examples from my test set, or perplexity of the corpus of the test set. As the test set, I have a paragraph ...
1
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0
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516
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Perplexity for short sentences
I have a model that outputs short sentences and want to compare the quality of its outputs for different configurations by computing their perplexities using another model.
I tried to use the gpt-2 ...
0
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1
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519
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Perplexity of a Non-Statistical Language Model
I have a piece of software that, given a input phrase, returns an ordered list of the next most likely words (entire vocab is ordered 1 to n). This is essentially an Language Model with the exception ...
0
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1
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1k
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Perplexity calculation with neural nets
I am having troubles understanding which formula to use to calculate perplexity of a neural language model. Various places online on the forums people suggest using 2^(cross-entropy) measure, which is ...
4
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1
answer
3k
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Language Model compare probability scores between Length varying sentence
My question is : How can I compare Language Model(LM) score for two sentences with different lengths ?
Probabilities are < 1...