I used "autocorr"function and got this graph. How can I interpret this grpah meaning?
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the cyclist 2022년 11월 23일
It's difficult to know how much needs to be explained here. I'll assume that you know what autocorrelation is.
Unless you specified differently, the blue lines delineate the confidence intervals at 2 standard errors (on each side). So, it looks like you have statistically significant autocorrelation for up to 3 lags.