which test is used to test for forecast accuracy? what is rmse used for does it make sense to compare actual vs forecast using correlation analysis can you use correlation to compare forecast what does rmse measure? do we use correlation or t test for forecast accuracy does rmse test forecast accuracy why can i use correlation and _t_ test for predicting? why does rmse testing not work? what is the use of msg in forecasts can we use correlation for forecast why are correlation and _t_ tested can we use correlation and t tests to get forecast accuracy? can we use correlation analysis and _t_ -tests what is the difference between rmse and correlation analysis can you use correlation and _t_ tests to test forecast accuracy can we use an rmse and a _t test for forecasting when can we use correlation and t tests can we use correlation and _t_ tests to measure forecast accuracy? can correlation and _t tests be used for forecast accuracy