Class: Liblinear::Parameter

Inherits:
Object
  • Object
show all
Includes:
Liblinear, Liblinearswig
Defined in:
lib/liblinear/parameter.rb

Constant Summary

Constants included from Liblinear

L1R_L2LOSS_SVC, L1R_LR, L2R_L1LOSS_SVC_DUAL, L2R_L1LOSS_SVR_DUAL, L2R_L2LOSS_SVC, L2R_L2LOSS_SVC_DUAL, L2R_L2LOSS_SVR, L2R_L2LOSS_SVR_DUAL, L2R_LR, L2R_LR_DUAL, MCSVM_CS, VERSION

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Liblinear

#array_to_hash, #convert_to_feature_node_array, #double_array_c_to_ruby, #free_double_array, #free_int_array, #int_array_c_to_ruby, #max_index, #new_double_array, #new_int_array

Constructor Details

#initialize(params = {}) ⇒ Parameter

Returns a new instance of Parameter.

Parameters:

  • params (Hash) (defaults to: {}) 


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# File 'lib/liblinear/parameter.rb', line 8

def initialize(params = {})
  @params = Liblinearswig::Parameter.new
  self.solver_type = 1
  self.C = 1
  self.eps = 0.1
  self.p = 0.1
  self.nr_weight = 0
  self.weight_label = []
  self.weight = []
  params.each do |k, v|
    self.send("#{k}=", v)
  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(m, *args) ⇒ Object 



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# File 'lib/liblinear/parameter.rb', line 34

def method_missing(m, *args)
  if m.to_s.index('=')
    @params.send(m.to_sym, args.first)
  else
    @params.send(m.to_sym)
  end
end

Instance Attribute Details

#params ⇒ Object

Returns the value of attribute params.



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# File 'lib/liblinear/parameter.rb', line 5

def params
  @params
end

Instance Method Details

#weight=(weight) ⇒ Object 



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# File 'lib/liblinear/parameter.rb', line 29

def weight=(weight)
  free_double_array(@params.weight)
  @params.weight = new_double_array(weight)
end

#weight_label=(weight_label) ⇒ Object 



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# File 'lib/liblinear/parameter.rb', line 23

def weight_label=(weight_label)
  free_int_array(@params.weight_label)
  @params.weight_label = new_int_array(weight_label)
end