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author | Andreas Maunz <andreas@maunz.de> | 2011-07-15 09:41:47 +0200 |
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committer | Andreas Maunz <andreas@maunz.de> | 2011-07-15 09:41:47 +0200 |
commit | 6aaf6797fa0d27b23377ffce8f21c5436674ad52 (patch) | |
tree | 5f0830de12a9df1028c291a65574f22df79dbca0 | |
parent | 152069ed810799c26529f91bf1ec9019db694212 (diff) | |
parent | 647e4ee0e0626e0c2cc325896d249cc1a3f9302e (diff) |
Merge branch 'log_mlr' into development
-rw-r--r-- | transform.rb | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/transform.rb b/transform.rb new file mode 100644 index 0000000..820bdd2 --- /dev/null +++ b/transform.rb @@ -0,0 +1,39 @@ +require 'rubygems' +require 'opentox-ruby' +require 'test/unit' + + +class TransformTest < Test::Unit::TestCase + + + 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 + +end |