Example #1
0
 def test_pca_mssa_ec(self):
     data = setup_data2(nx=30, ny=20)
     span = Analyzer(data)
     span.mssa(nmssa=4)
     ec = span.mssa_ec(xeof=span.mssa_eof(), xdata=data)
     pc = span.mssa_pc()
     self.assertTrue(npy.allclose(ec, pc))
Example #2
0
 def test_ssa(self):
     data = setup_data0()
     span = Analyzer(data)
     span.mssa(nmssa=4)
     self.assertTrue(npy.allclose(
         span._mssa_raw_ev[0],
         npy.array([ 20.25648796,  16.57547325,  16.51572589,  16.31088181])))
     self.assertTrue(npy.allclose(
         span._mssa_raw_pc[0][:2,:2],
         npy.array([[ 6.9105607 ,  0.32054539],
    [ 5.77266597,  2.92740569]])))
     self.assertTrue(npy.allclose(
         span._mssa_raw_eof[0][:2,:2],
         npy.array([[ 0.13637961, -0.12778613],
    [ 0.13417614,  0.13187513]])))
Example #3
0
    def test_mssa(self):
        data = setup_data2(nx=3, ny=2)
        span = Analyzer(data)
        span.mssa(nmssa=4)
        print data.reshape(120, 6).mask
#        self.assertTrue(npy.allclose(
#            span._mssa_raw_ev,
#            npy.array([ 84.65284564,  39.94531834,  36.70936929,  21.49023578])))
        print span._mssa_raw_pc[:2,:2]
        self.assertTrue(npy.allclose(
            span._mssa_raw_pc[:2,:2],
            npy.array([[-13.66377591,   2.62887011],
       [-13.28622293,   2.74443558]])))
        self.assertTrue(npy.allclose(
            span._mssa_raw_eof[:2,:2],
            npy.array([[ 0.05067246,  0.10596479],
       [ 0.05300994,  0.10764546]])))