how to get a forecast with the in-sample data overlapping in the forecast what is the overlap for the time series for the in-sample period of the forecast what is a pattern for an overlap between a period and forecast what is the difference between a t and an e in linear regression? how to solve for this? how to calculate overlap between in sample and forecast how to estimate the overlap between a forecast and an in-sample period how to calculate overlap in forecasting formula how to calculate average exchange rate how to calculate forecasting based how to solve overlapping insamples can the forecast overlap data how to calculate an overlap of 12 months in a linear regression do linear regression models have to be used before predicting the rates? a. how many months between the forecasts how to find the horizon of an exchange rate how to calculate time series for a prediction how to use a linear regression to find the relationship between the in-sample period and the forecast does extending intervals affect forecasting what is the difference between a forecast and a data model