Source code for gluonts.dataset.util
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# Licensed under the Apache License, Version 2.0 (the "License").
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# A copy of the License is located at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# or in the "license" file accompanying this file. This file is distributed
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from typing import Optional
import pandas as pd
from .field_names import FieldName
[docs]def forecast_start(entry, time_axis: int = -1):
return entry[FieldName.START] + entry[FieldName.TARGET].shape[time_axis]
[docs]def to_pandas(instance: dict, freq: Optional[str] = None) -> pd.Series:
"""
Transform a dictionary into a pandas.Series object, using its "start" and
"target" fields.
Parameters
----------
instance
Dictionary containing the time series data.
freq
Frequency to use in the pandas.Series index.
Returns
-------
pandas.Series
Pandas time series object.
"""
target = instance[FieldName.TARGET]
start = instance[FieldName.START]
if not freq:
freq = start.freqstr
return pd.Series(
target,
index=pd.period_range(start=start, periods=len(target), freq=freq),
)