TimeGPT-1
“Some popular models like Prophet [Taylor and Letham, 2018] and ARIMA were excluded from the analysis due to their prohibitive computational requirements and extensive training times.”Anyone who work a lot in time series forecasting can explain this in some more details?I’ve def used ARIMA, but only for simple things. Not sure why this would be more expensive to train and run than a Transformer model, and even if true, ARIMA is so ubiquitous that comparing resources & time would be enlightening.  Otherwise it just sounds like a sales pitch and throw more obscure acronyms for a bit of “I’m the expert, abc xyz industry letters” marketing.