GluonTS is an open-source Python toolkit for time-series analysis and forecasting. In probabilistic forecasting workflows, it can provide the data interface expected by models such as Lag-Llama. section 4.2
A typical workflow converts tabular observations into a PandasDataset. For example, Walmart sales data can be read with Pandas, converted to float32, and grouped by Store before being passed to a forecasting estimator. section 4.2.2
