R noob here, I am running acf's In R to check Auto-correlation on my data before running other tests. Now I am running into 2 problems. I have time-series data for 26 years (1990-2016).
Problem 1. For some of my variables a couple of years have missing data (1995-1997). For these specific variables I would like to start the acf at the year 1998. Is this possible?
Problem 2. One variable has multiple years with missing data throughout the time-series, but only for odd years. Is it possible to do an acf for only even years?
I could manually adjust the data but would prefer to keep it as one dataset.
Thank you!