1NGRAMMAKE(1) User Commands NGRAMMAKE(1)
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6 ngrammake - manual page for ngrammake 1.3.4
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9 Make ngram model from input count file.
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11 Usage: ngrammake [--options] [in.fst [out.fst]]
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13 PROGRAM FLAGS:
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15 --backoff: type = bool, default = false
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17 Use backoff smoothing (default: method dependent) --backoff_la‐
18 bel: type = int64, default = 0 Backoff label --bins: type =
19 int64, default = -1 Number of bins for katz or absolute dis‐
20 counting --check_consistency: type = bool, default = false Check
21 model consistency --count_of_counts: type = string, default = ""
22 Read count-of-counts from file --discount_D: type = double, de‐
23 fault = -1 Absolute discount value D to use --interpolate: type
24 = bool, default = false Use interpolated smoothing (default:
25 method dependent) --method: type = string, default = "katz" One
26 of: "absolute", "katz", "kneser_ney", "presmoothed", "un‐
27 smoothed", "katz_frac", "witten_bell" --norm_eps: type = double,
28 default = 0.001 Normalization check epsilon --witten_bell_k:
29 type = double, default = 1 Witten-Bell hyperparameter K
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31 LIBRARY FLAGS:
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33 Flags from: flags.cc
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35 --help: type = bool, default = false
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37 show usage information --helpshort: type = bool, default = false
38 show brief usage information --tmpdir: type = string, default =
39 "/tmp" temporary directory --v: type = int32, default = 0 ver‐
40 bosity level
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42 Flags from: fst.cc
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44 --fst_align: type = bool, default = false
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46 Write FST data aligned where appropriate --fst_default_cache_gc:
47 type = bool, default = true Enable garbage collection of cache
48 --fst_default_cache_gc_limit: type = int64, default = 1048576
49 Cache byte size that triggers garbage collection
50 --fst_read_mode: type = string, default = "read" Default file
51 reading mode for mappable files --fst_verify_properties: type =
52 bool, default = false Verify FST properties queried by TestProp‐
53 erties --save_relabel_ipairs: type = string, default = "" Save
54 input relabel pairs to file --save_relabel_opairs: type =
55 string, default = "" Save output relabel pairs to file
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57 Flags from: ngram-output.cc
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59 --end_symbol: type = string, default = "</s>"
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61 Class label for sentence end --start_symbol: type = string, de‐
62 fault = "<s>" Class label for sentence start
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64 Flags from: symbol-table.cc
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66 --fst_compat_symbols: type = bool, default = true
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68 Require symbol tables to match when appropriate --fst_field_sep‐
69 arator: type = string, default = " " Set of characters used
70 as a separator between printed fields
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72 Flags from: util.cc
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74 --fst_error_fatal: type = bool, default = true
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76 FST errors are fatal; o.w. return objects flagged as bad: e.g.,
77 FSTs: kError property set, FST weights: not a Member()
78 --ngram_error_fatal: type = bool, default = true NGram errors
79 are fatal if true; otherwise returns objects flagged as bad:
80 e.g., NGramModel::Error() is true
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82 Flags from: weight.cc
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84 --fst_weight_parentheses: type = string, default = ""
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86 Characters enclosing the first weight of a printed composite
87 weight (e.g., pair weight, tuple weight and derived classes) to
88 ensure proper I/O of nested composite weights; must have size 0
89 (none) or 2 (open and close parenthesis) --fst_weight_separator:
90 type = string, default = "," Character separator between printed
91 composite weights; must be a single character
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95ngrammake 1.3.4 January 2018 NGRAMMAKE(1)