prep.deseason.differencing {predtoolsTS}

Deseason with differencing method

Description

Performs differencing with lag=frequency.

Usage

prep.deseason.differencing(tserie, nsd = NULL)

Arguments

tserie

a ts object

nsd

number of seasonal differences to apply. As default its value is NULL; in this case, the function will perform an automatic estimation of nsd.

Details

If no number of differences is specified, the function will make an estimation of the number of differences needed based on unit root test provided by forecast::nsdiffs

Value

A list is returned containing:

tserie

Transformed ts object.

nsd

Number of seasonal differencies applied.

firstseasons

Lost values after differencing.

Examples

prep.deseason.differencing(AirPassengers)
prep.deseason.differencing(AirPassengers,nsd=2)