lib/rubyfca.rb in rubyfca-0.2.9 vs lib/rubyfca.rb in rubyfca-0.2.10

@@ -1,9 +1,9 @@
 ## lib/rubyfca.rb -- Formal Concept Analysis tool in Ruby
 ## Author::    Yoichiro Hasebe (mailto: [e-mail])
 ##             Kow Kuroda (mailto: [e-mail])   
-## Copyright:: Copyright 2009 Yoichiro Hasebe and Kow Kuroda
+## Copyright:: Copyright 2010 Yoichiro Hasebe and Kow Kuroda
 ## License::   GNU GPL version 3
 
 # -*- coding: utf-8 -*-
 
 require 'csv'
@@ -99,11 +99,11 @@
     end
     newary
   end
   
   ## Apply a formal concept analysis on the matrix
-  def calcurate 
+  def calculate 
     @concepts, @extM, @intM = ganter_alg(@matrix)
     @relM, @reltrans, @rank = create_rel(@intM)
     @gammaM, @muM = gammaMu(@extM, @intM, @matrix)
   end
 
@@ -192,11 +192,11 @@
     end
 
     a1 = extension[0].join("")
     a2 = extension[1].join("")
     if a1 == a2
-      shift extension
-      shift intension
+      extension.shift
+      intension.shift
       anzCpt -= 1
     end
 
     c = []
     0.upto(anzCpt) do |i|