1NGRAMCOUNT(1) User Commands NGRAMCOUNT(1)
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6 ngramcount - manual page for ngramcount 1.3.4
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9 Count ngram from input file.
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11 Usage: ngramcount [--options] [in.far [out.fst]]
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13 PROGRAM FLAGS:
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15 --alpha: type = double, default = 1
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17 Weight for first FST --backoff_label: type = int64, default = 0
18 Backoff label --beta: type = double, default = 1 Weight for sec‐
19 ond (and subsequent) FST(s) --check_consistency: type = bool,
20 default = false Check model consistency --context_pattern: type
21 = string, default = "" Pattern of contexts to count
22 --epsilon_as_backoff: type = bool, default = false Treat epsilon
23 in the input Fsts as backoff --method: type = string, default =
24 "counts" One of: "counts", "histograms", "count_of_counts",
25 "count_of_histograms" --norm_eps: type = double, default = 0.001
26 Normalization check epsilon --normalize: type = bool, default =
27 false Normalize resulting model --order: type = int64, default =
28 3 Set maximal order of ngrams to be counted --output_fst: type =
29 bool, default = true Output counts as fst (otherwise strings)
30 --require_symbols: type = bool, default = true Require symbol
31 tables? (default: yes) --round_to_int: type = bool, default =
32 false Round all counts to integers
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34 LIBRARY FLAGS:
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36 Flags from: flags.cc
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38 --help: type = bool, default = false
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40 show usage information --helpshort: type = bool, default = false
41 show brief usage information --tmpdir: type = string, default =
42 "/tmp" temporary directory --v: type = int32, default = 0 ver‐
43 bosity level
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45 Flags from: fst.cc
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47 --fst_align: type = bool, default = false
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49 Write FST data aligned where appropriate --fst_default_cache_gc:
50 type = bool, default = true Enable garbage collection of cache
51 --fst_default_cache_gc_limit: type = int64, default = 1048576
52 Cache byte size that triggers garbage collection
53 --fst_read_mode: type = string, default = "read" Default file
54 reading mode for mappable files --fst_verify_properties: type =
55 bool, default = false Verify FST properties queried by TestProp‐
56 erties --save_relabel_ipairs: type = string, default = "" Save
57 input relabel pairs to file --save_relabel_opairs: type =
58 string, default = "" Save output relabel pairs to file
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60 Flags from: ngram-output.cc
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62 --end_symbol: type = string, default = "</s>"
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64 Class label for sentence end --start_symbol: type = string,
65 default = "<s>" Class label for sentence start
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67 Flags from: symbol-table.cc
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69 --fst_compat_symbols: type = bool, default = true
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71 Require symbol tables to match when appropriate --fst_field_sep‐
72 arator: type = string, default = " " Set of characters used
73 as a separator between printed fields
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75 Flags from: util.cc
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77 --fst_error_fatal: type = bool, default = true
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79 FST errors are fatal; o.w. return objects flagged as bad: e.g.,
80 FSTs: kError property set, FST weights: not a Member()
81 --ngram_error_fatal: type = bool, default = true NGram errors
82 are fatal if true; otherwise returns objects flagged as bad:
83 e.g., NGramModel::Error() is true
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85 Flags from: weight.cc
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87 --fst_weight_parentheses: type = string, default = ""
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89 Characters enclosing the first weight of a printed composite
90 weight (e.g., pair weight, tuple weight and derived classes) to
91 ensure proper I/O of nested composite weights; must have size 0
92 (none) or 2 (open and close parenthesis) --fst_weight_separator:
93 type = string, default = "," Character separator between printed
94 composite weights; must be a single character
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98ngramcount 1.3.4 January 2018 NGRAMCOUNT(1)