Semi-trivial Mathematica Question

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SUMMARY

The discussion centers on analyzing a binary list in Mathematica to determine the lengths of consecutive runs of 1s and 0s. The user seeks to implement a solution that outputs the duration of each run, resulting in a list such as {3,2,1,1,1,3}. The solution is effectively achieved using the Split command in Mathematica, which groups consecutive identical elements in the list.

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  • Familiarity with Mathematica programming language
  • Understanding of list manipulation techniques in Mathematica
  • Knowledge of basic data structures, specifically arrays or lists
  • Concept of run-length encoding in data analysis
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  • Explore the Split function in Mathematica for advanced list processing
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  • Investigate other list manipulation functions in Mathematica, such as Length and Map
  • Study time series analysis methods in Mathematica for chronological data
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This discussion is beneficial for Mathematica users, data analysts, and programmers interested in time series analysis and list manipulation techniques.

MichalXC
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Hi guys,

I have a long list of numbers which has only two values, e.g. {1,1,1,0,0,1,0,1,0,0,0...}.

The list is ordered as a function of time -- chronologically.

I need to see, then, how long the list stays at 1 before going to 0, and then how long the list stays at 0 before going back to 1... etc. etc. until the list terminates.

In my example above, I would expect an output like {3,2,1,1,1,3}.

How can I implement this?

Thanks.
 
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Woo hoo! Found my answer: the http://reference.wolfram.com/mathematica/ref/Split.html" command.
 
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