If there is an outlier in a time series, how does its correlogram behave? Is it possible to find outliers using a correlogram?
I have such a Time series:
ts <- c(1,2,3,1,2,2,30,40,3,2,4,1,3,2,3,1,1,2)
its correlogram looks like this:
I have an outlier in my time series, Is it possible to detect these outlier from correlogram?