seasonal | 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 |
Object created by |
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")
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