--- title: forecast keywords: fastai sidebar: home_sidebar summary: "Forecast para deteccao **anomalias em series temporais**." description: "Forecast para deteccao **anomalias em series temporais**." ---
df1 = pd.read_csv('./dados/daily-min-temperatures.csv')
df1['Date'] = pd.to_datetime(df1['Date'])
df1.set_index('Date', inplace=True)
df1.head().T
ts = df1['Temp']
ts = ts.resample('D').backfill() # Avoid warnings
anomalies = anomaly_holtwinters(ts, seasonal='add', seasonal_periods=7, only_low_values=True)
anomalies.head().T
plot_anomalies(ts, anomalies);