2
Multiplicative seasonality is not appropriate for zero and negative values
Package:
statsmodels
6600
6600
Exception Class:
ValueError
Raise code
y_like(x, "x", maxdim=2)
nobs = len(x)
if not np.all(np.isfinite(x)):
raise ValueError("This function does not handle missing values")
if model.startswith("m"):
if np.any(x <= 0):
raise ValueError(
"Multiplicative seasonality is not appropriate "
"for zero and negative values"
)
if period is None:
if pfreq is not None:
pfreq = freq_to_period(pfreq)
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Links to the raise (1)
https://github.com/statsmodels/statsmodels/blob/9ec982db6806deb9bfe13d72bbfabd3271c4d063/statsmodels/tsa/seasonal.py#L149NO FIXES YET
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