SYNOPSIS
evaluate-ngram [Options]DESCRIPTION
Evaluates the performance of an n-gram language model. It also supports various n-gram language model conversions, including changes in order, vocabulary, and file format.Filename argument can be an ASCII file, a compressed file (ending in .Z or .gz), or '-' to indicate stdin/stdout.
OPTIONS
- -h, -help
- Print this message.
- -verbose <int>
- Set verbosity level.
- Default: 1
- -o, -order <int>
- Set the n-gram order of the estimated LM.
- Default: 3
- -v, -vocab <file>
- Fix the vocab to only words from the specified file.
- -l, -lm <file>
- Load specified LM.
- -cl, -compile-lattices <file>
- [SLS] Compile lattices into a binary format.
- -wb, -write-binary <boolean>
- Write LM/counts files in binary format.
- Default: false
- -wv, -write-vocab <file>
- Write LM vocab to file.
- -wl, -write-lm <file>
- Write ARPA backoff LM to file.
- -ep, -eval-perp <files>
- Compute test set perplexity.
- -ew, -eval-wer <files>
- Compute test set lattice word error rate.
- -em, -eval-margin <files>
- Compute test set lattice margin.