def test_annual_upsample(self):
ts = _simple_pts('1/1/1990', '12/31/1995', freq='A-DEC')
df = DataFrame({'a': ts})
rdf = df.resample('D').ffill()
exp = df['a'].resample('D').ffill()
assert_series_equal(rdf['a'], exp)
rng = period_range('2000', '2003', freq='A-DEC')
ts = Series([1, 2, 3, 4], index=rng)
result = ts.resample('M').ffill()
ex_index = period_range('2000-01', '2003-12', freq='M')
expected = ts.asfreq('M', how='start').reindex(ex_index,
method='ffill')
assert_series_equal(result, expected)
test_resample.py 文件源码
python
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