Could you recommend a book or lecture notes about time series that is easy to understand? What are some time series texts that you would recommend to start studying? Some easy textbooks/lecture notes or step by step for undergraduate level.
I'm not so good at math/statistics.
The book I currently use for my time series class is &quot;Time Series Analysis and Its Applications With R Examples&quot; by Shumway and Stoffer, 4th edition. It's served me fine, and gives lots of example codes that you can plug into R and see what happens with example data.