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ldap
2011 Dec 13
2
Problem with ploting fitted values
...mon data (you can find it in R library), and I
wanted to plot the orginal values with the estimated one. Unfortunately I
can only see the original values.
Below is the code with data library:
/
library(forecast)
data(AirPassengers)
AP <- AirPassengers
class(AP)
start(AP)
end(AP)
frequency(AP)
lgAP <- log(AP)
t<-2:length(AP)
APsL<-log(ts(lgAP, start=1949, frequency=12))
final<-(ts.intersect(lgAP,lgAPlag=lag(lgAP,-1), t=t,
sin12 = sin(2*pi*t/12), cos12 = cos(2*pi*t/12),dframe=TRUE))
summary(AIRlm <- lm(lgAP ~ lgAPlag + t + sin12 + cos12, data=final))
plot(lgAP, main="...