Project future forecast values but forecast line is appearing flat - why?

22 hours ago 2
ARTICLE AD BOX
import pandas as pd import numpy as np import matplotlib.pyplot as plt from statsmodels.tsa.seasonal import seasonal_decompose from statsmodels.tsa.forecasting.theta import ThetaModel units = pd.read_csv('EDC_units_IN.csv') units['Date'] = pd.to_datetime(units['Date'], dayfirst=True) units = units.set_index('Date') units = units.asfreq('MS') units.plot() mod = ThetaModel(units, period=12, method='additive') mod = mod.fit() mod.summary() mod.forecast(12) mod.forecast_components(12)

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