[R] how calculate seasonal component & cyclic component of time series?

[sagarnikam123]

i am new to time series,whatever i know up till now,from that
i have uploaded time series file & what to build arma model,but for that i
want p & q values(orders)
tell me how to calculate best p & q values to find best AIC values for model

i am doing but giving error
>bhavar<-read.table(file.choose())  #taking time series file
> decompose(bhavar$V1)
Error in decompose(bhavar$V1) : time series has no or less than 2 periods

what this error is telling ?

http://r.789695.n4.nabble.com/file/n4491470/tinku.txt tinku.txt 

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