The syntax is correct
acf(lh,lag.max=48,ci=0.95)
using the built-in dataset lh. Why it's returning the error with your data argument is unclear. See the FAQ: How to do a minimal reproducible example reprex for beginners.
The syntax is correct
acf(lh,lag.max=48,ci=0.95)
using the built-in dataset lh. Why it's returning the error with your data argument is unclear. See the FAQ: How to do a minimal reproducible example reprex for beginners.