I tested Mistral's Timestral and four other pretrained forecasters on GB electricity demand with less and less history. ...

I tested Mistral's Timestral and four other pretrained forecasters on GB electricity demand with less and less history. With a day or less of half-hourly data, every one did worse than repeating yesterday's value for the same half-hour. With two days, Timestral beat that rule and a fitted LightGBM. Retail products needed about eight weeks of sales.https://winder.ai/timestral-ai-demand-forecasting/#forecasting #TimeSeries #MachineLearning