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) --back‐
18 off_label: 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,
23 default = -1 Absolute discount value D to use --interpolate:
24 type = bool, default = false Use interpolated smoothing
25 (default: method dependent) --method: type = string, default =
26 "katz" One of: "absolute", "katz", "kneser_ney", "presmoothed",
27 "unsmoothed", "katz_frac", "witten_bell" --norm_eps: type = dou‐
28 ble, default = 0.001 Normalization check epsilon --wit‐
29 ten_bell_k: type = double, default = 1 Witten-Bell hyperparame‐
30 ter K
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32 LIBRARY FLAGS:
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34 Flags from: flags.cc
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36 --help: type = bool, default = false
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38 show usage information --helpshort: type = bool, default = false
39 show brief usage information --tmpdir: type = string, default =
40 "/tmp" temporary directory --v: type = int32, default = 0 ver‐
41 bosity level
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43 Flags from: fst.cc
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45 --fst_align: type = bool, default = false
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47 Write FST data aligned where appropriate --fst_default_cache_gc:
48 type = bool, default = true Enable garbage collection of cache
49 --fst_default_cache_gc_limit: type = int64, default = 1048576
50 Cache byte size that triggers garbage collection
51 --fst_read_mode: type = string, default = "read" Default file
52 reading mode for mappable files --fst_verify_properties: type =
53 bool, default = false Verify FST properties queried by TestProp‐
54 erties --save_relabel_ipairs: type = string, default = "" Save
55 input relabel pairs to file --save_relabel_opairs: type =
56 string, default = "" Save output relabel pairs to file
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58 Flags from: ngram-output.cc
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60 --end_symbol: type = string, default = "</s>"
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62 Class label for sentence end --start_symbol: type = string,
63 default = "<s>" Class label for sentence start
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65 Flags from: symbol-table.cc
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67 --fst_compat_symbols: type = bool, default = true
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69 Require symbol tables to match when appropriate --fst_field_sep‐
70 arator: type = string, default = " " Set of characters used
71 as a separator between printed fields
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73 Flags from: util.cc
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75 --fst_error_fatal: type = bool, default = true
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77 FST errors are fatal; o.w. return objects flagged as bad: e.g.,
78 FSTs: kError property set, FST weights: not a Member()
79 --ngram_error_fatal: type = bool, default = true NGram errors
80 are fatal if true; otherwise returns objects flagged as bad:
81 e.g., NGramModel::Error() is true
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83 Flags from: weight.cc
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85 --fst_weight_parentheses: type = string, default = ""
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87 Characters enclosing the first weight of a printed composite
88 weight (e.g., pair weight, tuple weight and derived classes) to
89 ensure proper I/O of nested composite weights; must have size 0
90 (none) or 2 (open and close parenthesis) --fst_weight_separator:
91 type = string, default = "," Character separator between printed
92 composite weights; must be a single character
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96ngrammake 1.3.4 January 2018 NGRAMMAKE(1)