how many time periods can be forecast in an ols panel? what is the function of ols coefficients when to use panel coefficient for forecasting what are ols coefficient does gretl use olli coefficient which regression model does gretl use how many time periods are on an ols panel which ols coefficient is used to forecast the future value of y? what is ols for forecasting why use panel coefficients instead of a coefficient of ols when using gretl what do you use for a variable how do i use panel ols coefficient how to use panel ols coefficients in gretl which variable does panel ols use for forecasting how to use panel ols in gretl what is gretl coefficient which is the coefficient for the underlying period? gretl how much of gretl is used for ols how to predict future values in an ols panel how to interpret panel ols coefficient