(self)
| 846 | assert_(eq(mXcp._data, mX.filled(1).cumprod(1))) |
| 847 | |
| 848 | def test_cumsum(self): |
| 849 | (x, X, XX, m, mx, mX, mXX,) = self.d |
| 850 | mXcp = mX.cumsum(0) |
| 851 | assert_(eq(mXcp._data, mX.filled(0).cumsum(0))) |
| 852 | mXcp = mX.cumsum(1) |
| 853 | assert_(eq(mXcp._data, mX.filled(0).cumsum(1))) |
| 854 | |
| 855 | def test_varstd(self): |
| 856 | (x, X, XX, m, mx, mX, mXX,) = self.d |