seasonal (version 1.7.0)

static: Static Call of a seas Object

Description

In a 'static' call, the default automatic procedures in the model call are substituted by the choices they made.

Usage

static(x, coef = FALSE, x11.filter = FALSE, test = TRUE,
  fail = FALSE, evaluate = FALSE)

Arguments

x

an object of class seas.

coef

logical. If TRUE, the coefficients are treated as fixed, instead of beeing estimated.

x11.filter

logical. X-11 only. if TRUE, the X-11 moving averages will be fixed as well. This leads to different filters at different stages, and the resulting series can be are slightly different. If test = TRUE, this may cause a warning message.

test

logical. By default the static call is executed and compared to the input call. If the final series is not identical, a message is returned. If FALSE, no test is performed (faster).

fail

logical. If TRUE, differences will cause an error. Ignored if test = FALSE.

evaluate

logical. If TRUE, the call is evaluated.

Value

Object of class "call". Or an object of class "seas" if evaluate = TRUE.

Details

If evaluate = TRUE, the call is evaluated. The call can be copy/pasted to a script and used for further manipulations or future evaluation of the same model.

By default, the static call is tested. It is executed and compared to the input call. If the final series is not identical, a message is returned.

If coef = TRUE, the coefficients are fixed as well. If x11.filter = TRUE, the X-11 moving averages are fixed as well.

References

Vignette with a more detailed description: http://www.seasonal.website/seasonal.html

Comprehensive list of R examples from the X-13ARIMA-SEATS manual: http://www.seasonal.website/examples.html

Official X-13ARIMA-SEATS manual: https://www.census.gov/ts/x13as/docX13ASHTML.pdf

See Also

getCall to extract the actual call.

seas for the main function of seasonal.

Examples

# NOT RUN {
m <- seas(AirPassengers)
getCall(m)                   # default call
static(m)                    # static call
static(m, test = FALSE)      # much faster
static(m, evaluate = TRUE)   # returns an object of class "seas"

m <- seas(AirPassengers, x11 = "")

static(m, x11.filter = TRUE) # also fixes the X-11 filter (with a warning)
static(m, coef = TRUE)       # also fixes the coefficients
# }