what is the regressor in a forecast in r cran what are regressors in r raster package forecast what is the forecast formula in cran r what model can use regressor in forecast what is stragg forecast can i use regressors as forecast in r can i use stlf forecast in r stl forecast function what is stlf forecast r package forecast can r include regressors in stl why use regressor in r forecast with stl and regressors which forecast function includes regressor what model is regressor used in? what is the forecast using r package forecast r package regressors how to forecast in r can you use stlf for r in forecast