What is univariate in time series?

The term “univariate time series” refers to a time series that consists of single (scalar) observations recorded sequentially over equal time increments . … If the data are equi-spaced, the time variable, or index, does not need to be explicitly given.

Time series forecasting occurs when you make scientific predictions based on historical time stamped data . It involves building models through historical analysis and using them to make observations and drive future strategic decision-making.

Multistep-ahead prediction is the task of predicting a sequence of values in a time series . A typical approach, known as multi-stage prediction, is to apply a predictive model step-by-step and use the predicted value of the current time step to determine its value in the next time step.

Using XGBoost for time-series analysis can be considered as an advance approach of time series analysis . this approach also helps in improving our results and speed of modelling. XGBoost is an efficient technique for implementing gradient boosting.