how to compare short time series how do i compare time series for example time series comparing can t testing compare short time series how to compare long time series how to compare time series how to compare short time series when do you compare two time series? how to compare time series how to compare short time series which test is performed when comparing time series how to compare two very short time series how to compare short time series how to compare short time series how to compare two time series how to compare a time series how to compare time series of a time series how do you compare short time series can you compare very short time series? how to compare different couples time