def test_asfreq2(self, frame_or_series):
ts = frame_or_series(
[0.0, 1.0, 2.0],
index=DatetimeIndex(
[
datetime(2009, 10, 30),
datetime(2009, 11, 30),
datetime(2009, 12, 31),
],
freq="BM",
),
)
daily_ts = ts.asfreq("B")
monthly_ts = daily_ts.asfreq("BM")
tm.assert_equal(monthly_ts, ts)
daily_ts = ts.asfreq("B", method="pad")
monthly_ts = daily_ts.asfreq("BM")
tm.assert_equal(monthly_ts, ts)
daily_ts = ts.asfreq(offsets.BDay())
monthly_ts = daily_ts.asfreq(offsets.BMonthEnd())
tm.assert_equal(monthly_ts, ts)
result = ts[:0].asfreq("M")
assert len(result) == 0
assert result is not ts
if frame_or_series is Series:
daily_ts = ts.asfreq("D", fill_value=-1)
result = daily_ts.value_counts().sort_index()
expected = Series([60, 1, 1, 1], index=[-1.0, 2.0, 1.0,
0.0]).sort_index()
tm.assert_series_equal(result, expected)
def test_asfreq(self, datetime_frame):
offset_monthly = datetime_frame.asfreq(offsets.BMonthEnd())
rule_monthly = datetime_frame.asfreq("BM")
tm.assert_frame_equal(offset_monthly, rule_monthly)
filled = rule_monthly.asfreq("B", method="pad") # noqa
# TODO: actually check that this worked.
# don't forget!
filled_dep = rule_monthly.asfreq("B", method="pad") # noqa
def test_asfreq(self, datetime_frame):
offset_monthly = datetime_frame.asfreq(offsets.BMonthEnd())
rule_monthly = datetime_frame.asfreq("BM")
tm.assert_almost_equal(offset_monthly["A"], rule_monthly["A"])
filled = rule_monthly.asfreq("B", method="pad") # noqa
# TODO: actually check that this worked.
# don't forget!
filled_dep = rule_monthly.asfreq("B", method="pad") # noqa
# test does not blow up on length-0 DataFrame
zero_length = datetime_frame.reindex([])
result = zero_length.asfreq("BM")
assert result is not zero_length
def test_asfreq(self):
offset_monthly = self.tsframe.asfreq(offsets.BMonthEnd())
rule_monthly = self.tsframe.asfreq('BM')
tm.assert_almost_equal(offset_monthly['A'], rule_monthly['A'])
filled = rule_monthly.asfreq('B', method='pad') # noqa
# TODO: actually check that this worked.
# don't forget!
filled_dep = rule_monthly.asfreq('B', method='pad') # noqa
# test does not blow up on length-0 DataFrame
zero_length = self.tsframe.reindex([])
result = zero_length.asfreq('BM')
assert result is not zero_length
