Question: a)How do you graph a lag plot of a time series in r, using its first lag.Please show r code example and output b)How do

a)How do you graph a lag plot of a time series in r, using its first lag.Please show r code example and output b)How do you compute and plot the first 15 lags of the autocorrelation function of a time series in r 2)What does weak stationary mean for time series analysis

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