Add to a sum_model object

# S3 method for class 'sum_model'
e1 + e2

Arguments

e1

Left operand.

e2

Right operand.

Value

A sum_model.

Examples

m1 <- wn(sigma2 = 1)
m2 <- ar1(phi = 0.8, sigma2 = 0.5)
m3 <- pl(kappa = 0.3, sigma2 = 2)
model <- (m1 + m2) + m3