Source code for gluonts.ext.r_forecast.util

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# Licensed under the Apache License, Version 2.0 (the "License").
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from typing import Tuple

import numpy as np


[docs]def unlist(l): if ( type(l).__name__.endswith("Vector") and type(l).__name__ != "ListVector" ): return [unlist(x) for x in l] elif type(l).__name__ == "ListVector": return [unlist(x) for x in l] elif type(l).__name__ == "Matrix": return np.array(l) else: return l
[docs]def interval_to_quantile_level(interval_level: int, side: str) -> float: """ Convert a prediction interval level (upper or lower) into a quantile level. """ if side == "upper": level = 50 + interval_level / 2 elif side == "lower": level = 50 - interval_level / 2 else: raise ValueError(side) return level / 100
[docs]def quantile_to_interval_level(quantile_level: float) -> Tuple[int, str]: """ Convert a quantile level into a prediction interval level (upper or lower). """ side = "upper" if quantile_level >= 0.5 else "lower" return round(200 * abs(0.5 - quantile_level)), side