why do I have an error on the length function?

hi, I have a file of 70080 lines of which I want to obtain the autocorrelation graph, why do I get this error? I state that previously it worked, can anyone help me?
Also, can anyone give me clues as to what autocorrelation indicates? what is it for?

 采纳的回答

You do not have an error on the length function. You have an error on the lenght function.
length <- what you want
lenght <- what you have

更多回答(2 个)

can you give me theoretical information on autocorrelation?
What are the lags?

2 个评论

Please don't use an answer just to ask another question. This is not even a question about MATLAB anyway.

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