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tfarima (version 0.4.1)

airline: Airline Model (SARIMA(0,1,1)x(0,1,1)s)

Description

Creates a seasonal ARIMA model with the structure popularized by Box and Jenkins using airline passenger data: (0,1,1)x(0,1,1)s.

Usage

airline(z, bc = FALSE, sma = c("standard", "generalized", "factorized"), ...)

Value

A um object with airline model specification.

Arguments

z

A ts object (must have frequency > 1).

bc

Logical. If TRUE, applies Box-Cox (log) transformation.

sma

Character. Specification for seasonal MA operator. Options are: standard, generalized or factorized. See manual for more details.

...

Additional arguments passed to um.

Details

This is a convenience function equivalent to: um(z, bc = bc, i = list(1, c(1, s)), ma = list(1, c(1, s)), ...) where s = frequency(z).

See Also

um