Class: FSelector::BaseRelief

Inherits:
Base
  • Object
show all
Defined in:
lib/fselector/algo_base/base_Relief.rb

Overview

Note:

Relief applicable only to two-class problem without missing data

base class for Relief algorithm, see specialized versions for discrete feature (Relief_d) and continuous feature (Relief_c), respectively

ref: The Feature Selection Problem: Traditional Methods and a New Algorithm

Direct Known Subclasses

Relief_c, Relief_d

Instance Method Summary (collapse)

Methods inherited from Base

#algo_type, #each_class, #each_feature, #each_sample, #get_class_labels, #get_classes, #get_data, #get_data_copy, #get_feature_ranks, #get_feature_scores, #get_feature_type, #get_feature_values, #get_features, #get_opt, #get_sample_size, #select_feature!, #select_feature_by_rank!, #select_feature_by_score!, #set_classes, #set_data, #set_feature_type, #set_features, #set_opt

Methods included from ReplaceMissingValues

#replace_by_fixed_value!, #replace_by_knn_value!, #replace_by_mean_value!, #replace_by_median_value!, #replace_by_most_seen_value!

Methods included from FileIO

#data_from_csv, #data_from_libsvm, #data_from_random, #data_from_url, #data_from_weka, #data_to_csv, #data_to_libsvm, #data_to_weka

Constructor Details

- (BaseRelief) initialize(m = 30, data = nil)

intialize from an existing data structure



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# File 'lib/fselector/algo_base/base_Relief.rb', line 21

def initialize(m=30, data=nil)
  super(data)
  
  @m = m || 30 # default 30
end