Homework help R

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102KB, 1348x570px

Hey, /wsr/. Unfortunately, I'm retarded and can't understand what's wrong in my script.

I want to do a time series analysis. And I face several problems.

First of all, I want to have one plot with x- date, y-variable. But I always have the top plot of time ~ time.

Also as seen from the pic, both decompose and SMA don't function. I've set 12 period (that would be 12 months a year) and in the data used for SMA I only have 2 columns, that are time and variable and it still doesn't work.

Any help is greatly appreciated.