sum_um {tfarima} | R Documentation |
sum_um
creates a univariate (ARIMA) model from the
sum of serveral univariate (arima) models.
sum_um(...)
... |
List of "um" S3 objects. |
A "um" S3 object.
um1 <- um(i = "(1 - B)", ma = "(1 - 0.8B)")
um2 <- um(i = "(1 - B12)", ma = "(1 - 0.8B^12)")
um3 <- sum_um(um1, um2)