How to Calculate a Trend for Binary Time Series Data?

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To calculate a trend for binary time series data, one can analyze the frequency of ones versus zeros over time. Plotting the data in a graphing tool like Excel allows for visual representation, where a trend line can indicate whether the prevalence of ones is increasing or decreasing. This can be achieved through simple arithmetic calculations, such as counting the occurrences of ones in specified intervals. Understanding the trend involves assessing these counts over time to determine the overall direction of the data. The discussion emphasizes the importance of visualizing binary data to identify trends effectively.
IMK
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Hello,
So how do calculate a trend please for a set of time series data where the data values are binary thus:

000100111100010010101111000010101010101010000010111110000110

I know this must be real simple but I can’t seem to find a simple reference.
Many thanks IMK
 
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What do you mean by a "trend" here?
 
HallsofIvy said:
What do you mean by a "trend" here?

Hello HallsofIvy and many thanks for your reply.
The best way I can describe what I mean be the Trend is as if you plot the data sequence as a graph in Excel and then add a trend line you can see if the number of one's to zero's is rising or falling. Any I had a soak in the bath on the problem and well I think it is simple arithmatic, unless I have mist something.
IMK
 

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