test/test_factor.rb in statsample-0.6.1 vs test/test_factor.rb in statsample-0.6.2

@@ -1,8 +1,7 @@
 $:.unshift(File.dirname(__FILE__)+'/../lib/')
 require 'statsample'
 require 'test/unit'
-require 'matrix_extension'
 class StatsampleFactorTestCase < Test::Unit::TestCase
     def test_pca
       require 'gsl'
       a=[2.5, 0.5, 2.2, 1.9, 3.1, 2.3, 2.0, 1.0, 1.5, 1.1].to_scale
       b=[2.4,0.7,2.9,2.2,3.0,2.7,1.6,1.1,1.6,0.9].to_scale