how does trend prediction work in r r what is trend based on how to use r forecasting can r predict order trends how to use r to make trend can you use previous trends in r can you use the historical and trending data in r what is trend in r what is the r function to make a trend prediction how to r predict based on trend can r predict trend what is the difference between trend and prediction in r how to predict the trends in r can you predict based on historical data why r can't make a predictions on a trend chart? how do you use trend and predictions in r what does r trend prediction mean what is the function that predicts in r how is trending a function in r why use historical trend function in r