Package jazzparser :: Package parsers :: Package pcfg :: Module tools :: Class ProbabilisticDerivationTraceTool

Class ProbabilisticDerivationTraceTool

      object --+    
               |    
shell.tools.Tool --+
                   |
                  ProbabilisticDerivationTraceTool

Outputs an arc from the chart, ranked by probability

Instance Methods

[hide private]

run(self, args, state)
Main operation of tool, taking arguments in args and reading and potentially manipulating the shell state.

source code

Inherited from shell.tools.Tool: process_option_list

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __init__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Class Variables

[hide private]

name = 'Probabilistic Derivation Trace'
hash(x)

commands = ['pderiv']

usage = ('pderiv <res>', 'show derivation of numbered result, ...

help = '\nJust like deriv, but displays probabilities on signs...

Inherited from shell.tools.Tool: tool_options

Properties

[hide private]

Inherited from object: __class__

Method Details

[hide private]

run(self, args, state)

source code

Main operation of tool, taking arguments in args and reading and potentially manipulating the shell state.

By the time this is called, the options dict is available in self.options.

Overrides: shell.tools.Tool.run: (inherited documentation)

Class Variable Details

[hide private]

usage

Value:

('pderiv <res>',
 'show derivation of numbered result, including probabilities of each 
sign')

help

Value:

'''
Just like deriv, but displays probabilities on signs.

See also:
  deriv, the standard derivation trace tool.
'''