class FpGrowth::Miner::Pattern
Attributes
content[R]
support[RW]
Public Class Methods
new(content=[], support = 0)
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# File lib/fpgrowth/miner/pattern.rb, line 9 def initialize(content=[], support = 0) @content = content @support = support end
Public Instance Methods
+(y)
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# File lib/fpgrowth/miner/pattern.rb, line 14 def +(y) return self unless y return Pattern.new(@content + y.content, [@support, y.support].min) end
<<(y)
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# File lib/fpgrowth/miner/pattern.rb, line 19 def <<(y) if y.is_a?(Array) min_support = @support for node in y unless @content.include?(node.item) @content << node.item if min_support > node.support then min_support = node.support end end end @support = min_support elsif y.is_a?(FpTree::Node) self << [y] end end
clone()
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# File lib/fpgrowth/miner/pattern.rb, line 41 def clone return Pattern.new(@content.clone, @support) end
size()
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# File lib/fpgrowth/miner/pattern.rb, line 37 def size @content.size end