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why do I have an error on the length function?

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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?

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Accepted Answer

Walter Roberson
Walter Roberson on 26 Nov 2020
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

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More Answers (2)


Giuseppe D'Amico
Giuseppe D'Amico on 26 Nov 2020
can you give me theoretical information on autocorrelation?
What are the lags?

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John D'Errico
John D'Errico on 26 Nov 2020
Please don't use an answer just to ask another question. This is not even a question about MATLAB anyway.

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