get monthly working

[alexhallam]

get this working

import tablespoon as tbsp
import pandas as pd
# from fabletools and tsibbledata
df = pd.read_csv('aus_retail.csv').assign(y=lambda x: x.Turnover)

print(df.head())
sn = tbsp.Snaive()
df_sn = sn.predict(
    df,
    horizon = 12,
    frequency = "M",
    lag = 12,
    uncertainty_samples = 2000,
).assign(model = "Snaive")