seasonal {forecast} | R Documentation |
Returns a univariate time series equal to either a seasonal component, trend-cycle component or remainder component from a time series decomposition.
seasonal(object) trendcycle(object) remainder(object)
object |
Univariate time series.
Rob J Hyndman
stl
, decompose
,
tbats
, seasadj
.
plot(USAccDeaths) fit <- stl(USAccDeaths, s.window="periodic") lines(trendcycle(fit),col="red") library(ggplot2) autoplot(cbind( Data=USAccDeaths, Seasonal=seasonal(fit), Trend=trendcycle(fit), Remainder=remainder(fit)), facets=TRUE) + ylab("") + xlab("Year")