How to predict time series high-frequency data?

Your description does not indicate that you know what theory you want to apply to this data, and this mailing list is the wrong place to discuss which theory you want to apply.

However, this sounds perfectly suitable to many time series or data frame based analytical methods. You may need to refer to a textbook to gain the appropriate background. Then look at the Time Series View on CRAN, and perhaps start with the zoo package. Once you have a better understanding of what you want to accomplish, post again with a more specific question about using R to do the work, preferably with a small reproducible example (input data and some attempt to work with it and desired outcome).

Hi All,
I am having very high-frequency data, captured  between 3 to 7 seconds
by
sensor for tank. Number of rows of data point are 7 million and its
multivariate  problem.

Due to high frequency data, time series is unable to capture frequency
&
Cycle of data.

Please help me, how to approach and which kinds of algorithm required
to
solve this problem using R.

Thanks,
Rama Shankar

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