ngrammake(1)
NAME
ngrammake - Make ngram model from input count file.
DESCRIPTION
Make ngram model from input count file.
SYNOPSIS
ngrammake [--options] [in.fst [out.fst]]
OPTIONS
--backoff: type = bool, default = false
Use backoff smoothing (default: method dependent
--backoff_label: type = int64, default = 0
Backoff label
--bins: type = int64, default = -1
Number of bins for katz or absolute discounting
--check_consistency: type = bool, default = false
Check model consistency
--count_of_counts: type = string, default = ""
Read count-of-counts from file
--discount_D: type = double, default = -1
Absolute discount value D to use
--interpolate: type = bool, default = false
Use interpolated smoothing (default: method dependent)
--method: type = string, default = "katz"
One of: "absolute", "katz", "kneser_ney", "presmoothed",
"unsmoothed", "katz_frac", "witten_bell" (default)
--norm_eps: type = double, default = 0.001
Normalization check epsilon
--witten_bell_k: type = double, default = 1
Witten-Bell hyperparameter K
--help: type = bool, default = false
show usage information
--helpshort: type = bool, default = false
show brief usage information
--tmpdir: type = string, default = "/tmp"
temporary directory
--v: type = int32, default = 0
verbose level
--fst_align: type = bool, default = false
Write FST data aligned where appropriate
--fst_default_cache_gc: type = bool, default = true
Enable garbage collection of cache
--fst_default_cache_gc_limit: type = int64, default = 1048576
Cache byte size that triggers garbage collection
--fst_read_mode: type = string, default = "read"
Default file reading mode for mappable files
--fst_verify_properties: type = bool, default = false
Verify fst properties queried by TestProperties
--fst_weight_parentheses: type = string, default = ""
Characters enclosing the first weight of a printed composite
weight (e.g. pair weight, tuple weight and derived classes) to
ensure proper I/O of nested composite weights; must have size 0
(none) or 2 (open and close parenthesis)
--fst_weight_separator: type = string, default = ","
Character separator between printed composite weights; must be a
single character
--save_relabel_ipairs: type = string, default = ""
Save input relabel pairs to file
--save_relabel_opairs: type = string, default = ""
Save output relabel pairs to file
--end_symbol: type = string, default = "</s>"
Class label for sentence start
--start_symbol: type = string, default = "<s>"
Class label for sentence start
--fst_compat_symbols: type = bool, default = true
Require symbol tables to match when appropriate
--fst_field_separator: type = string, default = " "
Set of characters used as a separator between printed fields
--fst_error_fatal: type = bool, default = true
FST errors are fatal; o.w. return objects flagged as bad:
e.g., FSTs - kError prop. true, FST weights - not a Member()
--ngram_error_fatal: type = bool, default = true
NGram errors are fatal; o.w. return objects flagged as bad:
e.g., NGramModel::Error() returns true.
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