def test_reduce(self):
coords = {'x': [-1, -2], 'y': ['ab', 'cd', 'ef'],
'lat': (['x', 'y'], [[1, 2, 3], [-1, -2, -3]]),
'c': -999}
orig = DataArray([[-1, 0, 1], [-3, 0, 3]], coords, dims=['x', 'y'])
actual = orig.mean()
expected = DataArray(0, {'c': -999})
self.assertDataArrayIdentical(expected, actual)
actual = orig.mean(['x', 'y'])
self.assertDataArrayIdentical(expected, actual)
actual = orig.mean('x')
expected = DataArray([-2, 0, 2], {'y': coords['y'], 'c': -999}, 'y')
self.assertDataArrayIdentical(expected, actual)
actual = orig.mean(['x'])
self.assertDataArrayIdentical(expected, actual)
actual = orig.mean('y')
expected = DataArray([0, 0], {'x': coords['x'], 'c': -999}, 'x')
self.assertDataArrayIdentical(expected, actual)
self.assertVariableEqual(self.dv.reduce(np.mean, 'x'),
self.v.reduce(np.mean, 'x'))
orig = DataArray([[1, 0, np.nan], [3, 0, 3]], coords, dims=['x', 'y'])
actual = orig.count()
expected = DataArray(5, {'c': -999})
self.assertDataArrayIdentical(expected, actual)
def test_reduce(self):
coords = {'x': [-1, -2], 'y': ['ab', 'cd', 'ef'],
'lat': (['x', 'y'], [[1, 2, 3], [-1, -2, -3]]),
'c': -999}
orig = DataArray([[-1, 0, 1], [-3, 0, 3]], coords, dims=['x', 'y'])
actual = orig.mean()
expected = DataArray(0, {'c': -999})
self.assertDataArrayIdentical(expected, actual)
actual = orig.mean(['x', 'y'])
self.assertDataArrayIdentical(expected, actual)
actual = orig.mean('x')
expected = DataArray([-2, 0, 2], {'y': coords['y'], 'c': -999}, 'y')
self.assertDataArrayIdentical(expected, actual)
actual = orig.mean(['x'])
self.assertDataArrayIdentical(expected, actual)
actual = orig.mean('y')
expected = DataArray([0, 0], {'x': coords['x'], 'c': -999}, 'x')
self.assertDataArrayIdentical(expected, actual)
self.assertVariableEqual(self.dv.reduce(np.mean, 'x'),
self.v.reduce(np.mean, 'x'))
orig = DataArray([[1, 0, np.nan], [3, 0, 3]], coords, dims=['x', 'y'])
actual = orig.count()
expected = DataArray(5, {'c': -999})
self.assertDataArrayIdentical(expected, actual)
