Adjusted for population

1 files changed, 29 insertions, 29 deletions

diff --git a/transform.rb b/transform.rb
index a00f87d..7642cf0 100644
--- a/transform.rb
+++ b/transform.rb
@@ -22,34 +22,34 @@ def test_mlr
   }
 end
 
-#  def test_pca
-#
-#    d = GSL::Matrix.alloc([1,1.1,2,1.9,3,3.3], 3, 2)
-#    td = GSL::Matrix.alloc([-1.3421074161875, -0.127000127000191, 1.46910754318769],3,1)
-#    ev = GSL::Matrix.alloc([0.707106781186548, 0.707106781186548], 2, 1)
-#    rd = GSL::Matrix.alloc([1.05098674493306, 1.043223563717, 1.91019734898661, 2.0, 3.03881590608033, 3.256776436283], 3, 2)
-#
-#    # Lossy
-#    2.times do # repeat to ensure idempotency
-#      pca = OpenTox::Algorithm::Transform::PCA.new(d, 0.05)
-#      assert_equal pca.data_matrix, d
-#      assert_equal pca.data_transformed_matrix, td
-#      assert_equal pca.eigenvector_matrix, ev
-#      assert_equal pca.restore, rd
-#    end
-#
-#    td = GSL::Matrix.alloc([-1.3421074161875, 0.0721061461855949, -0.127000127000191, -0.127000127000191, 1.46910754318769, 0.0548939808145955],3,2)
-#    ev = GSL::Matrix.alloc([0.707106781186548, -0.707106781186548, 0.707106781186548, 0.707106781186548], 2, 2)
-#
-#    # Lossless
-#    2.times do
-#      pca = OpenTox::Algorithm::Transform::PCA.new(d, 0.0)
-#      assert_equal pca.data_matrix, d
-#      assert_equal pca.data_transformed_matrix, td
-#      assert_equal pca.eigenvector_matrix, ev
-#      assert_equal pca.restore, d
-#    end
-#
-#  end
+def test_pca
+
+  d = GSL::Matrix.alloc([1,1.1,2,1.9,3,3.3], 3, 2)
+  td = GSL::Matrix.alloc([-1.64373917483226, -0.155542754209564, 1.79928192904182],3,1)
+  ev = GSL::Matrix.alloc([0.707106781186548, 0.707106781186548], 2, 1)
+  rd = GSL::Matrix.alloc([1.05098674493306, 1.043223563717, 1.91019734898661, 2.0, 3.03881590608033, 3.256776436283], 3, 2)
+
+  # Lossy
+  2.times do # repeat to ensure idempotency
+    pca = OpenTox::Algorithm::Transform::PCA.new(d, 0.05)
+    assert_equal pca.data_matrix, d
+    assert_equal pca.data_transformed_matrix, td
+    assert_equal pca.eigenvector_matrix, ev
+    assert_equal pca.restore, rd
+  end
+
+  td = GSL::Matrix.alloc([-1.64373917483226, 0.0883116327366195, -0.155542754209564, -0.155542754209564, 1.79928192904182, 0.0672311214729441],3,2)
+  ev = GSL::Matrix.alloc([0.707106781186548, -0.707106781186548, 0.707106781186548, 0.707106781186548], 2, 2)
+
+  # Lossless
+  2.times do
+    pca = OpenTox::Algorithm::Transform::PCA.new(d, 0.0)
+    assert_equal pca.data_matrix, d
+    assert_equal pca.data_transformed_matrix, td
+    assert_equal pca.eigenvector_matrix, ev
+    assert_equal pca.restore, d
+  end
+
+end
 
 end