def test_delitem_and_pop(self):
expected = self.panel['ItemA']
result = self.panel.pop('ItemA')
assert_frame_equal(expected, result)
self.assert_('ItemA' not in self.panel.items)
del self.panel['ItemB']
self.assert_('ItemB' not in self.panel.items)
self.assertRaises(Exception, self.panel.__delitem__, 'ItemB')
values = np.empty((3, 3, 3))
values[0] = 0
values[1] = 1
values[2] = 2
panel = Panel(values, range(3), range(3), range(3))
# did we delete the right row?
panelc = panel.copy()
del panelc[0]
assert_frame_equal(panelc[1], panel[1])
assert_frame_equal(panelc[2], panel[2])
panelc = panel.copy()
del panelc[1]
assert_frame_equal(panelc[0], panel[0])
assert_frame_equal(panelc[2], panel[2])
panelc = panel.copy()
del panelc[2]
assert_frame_equal(panelc[1], panel[1])
assert_frame_equal(panelc[0], panel[0])
def test_delitem_and_pop(self):
expected = self.panel['ItemA']
result = self.panel.pop('ItemA')
assert_frame_equal(expected, result)
self.assert_('ItemA' not in self.panel.items)
del self.panel['ItemB']
self.assert_('ItemB' not in self.panel.items)
self.assertRaises(Exception, self.panel.__delitem__, 'ItemB')
values = np.empty((3, 3, 3))
values[0] = 0
values[1] = 1
values[2] = 2
panel = Panel(values, range(3), range(3), range(3))
# did we delete the right row?
panelc = panel.copy()
del panelc[0]
assert_frame_equal(panelc[1], panel[1])
assert_frame_equal(panelc[2], panel[2])
panelc = panel.copy()
del panelc[1]
assert_frame_equal(panelc[0], panel[0])
assert_frame_equal(panelc[2], panel[2])
panelc = panel.copy()
del panelc[2]
assert_frame_equal(panelc[1], panel[1])
assert_frame_equal(panelc[0], panel[0])
def test_delitem_and_pop(self):
values = np.empty((3, 3, 3))
values[0] = 0
values[1] = 1
values[2] = 2
panel = Panel(values, lrange(3), lrange(3), lrange(3))
# did we delete the right row?
panelc = panel.copy()
del panelc[0]
tm.assert_frame_equal(panelc[1], panel[1])
tm.assert_frame_equal(panelc[2], panel[2])
panelc = panel.copy()
del panelc[1]
tm.assert_frame_equal(panelc[0], panel[0])
tm.assert_frame_equal(panelc[2], panel[2])
panelc = panel.copy()
del panelc[2]
tm.assert_frame_equal(panelc[1], panel[1])
tm.assert_frame_equal(panelc[0], panel[0])
def test_ix_frame_align(self):
from pandas import DataFrame
df = DataFrame(np.random.randn(2, 10))
df.sort_index(inplace=True)
p_orig = Panel(np.random.randn(3, 10, 2))
p = p_orig.copy()
p.ix[0, :, :] = df
out = p.ix[0, :, :].T.reindex(df.index, columns=df.columns)
assert_frame_equal(out, df)
p = p_orig.copy()
p.ix[0] = df
out = p.ix[0].T.reindex(df.index, columns=df.columns)
assert_frame_equal(out, df)
p = p_orig.copy()
p.ix[0, [0, 1, 3, 5], -2:] = df
out = p.ix[0, [0, 1, 3, 5], -2:]
assert_frame_equal(out, df.T.reindex([0, 1, 3, 5], p.minor_axis[-2:]))
def test_ix_align(self):
from pandas import Series
b = Series(np.random.randn(10), name=0)
b.sort_values()
df_orig = Panel(np.random.randn(3, 10, 2))
df = df_orig.copy()
df.loc[0, :, 0] = b
assert_series_equal(df.loc[0, :, 0].reindex(b.index), b)
df = df_orig.swapaxes(0, 1)
df.loc[:, 0, 0] = b
assert_series_equal(df.loc[:, 0, 0].reindex(b.index), b)
df = df_orig.swapaxes(1, 2)
df.loc[0, 0, :] = b
assert_series_equal(df.loc[0, 0, :].reindex(b.index), b)
def test_ix_align(self):
from pandas import Series
b = Series(np.random.randn(10))
b.sort()
df_orig = Panel(np.random.randn(3, 10, 2))
df = df_orig.copy()
df.ix[0, :, 0] = b
assert_series_equal(df.ix[0, :, 0].reindex(b.index), b)
df = df_orig.swapaxes(0, 1)
df.ix[:, 0, 0] = b
assert_series_equal(df.ix[:, 0, 0].reindex(b.index), b)
df = df_orig.swapaxes(1, 2)
df.ix[0, 0, :] = b
assert_series_equal(df.ix[0, 0, :].reindex(b.index), b)
