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moving avg on top of scatter data

 
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jcampbell



Joined: 16 Jan 2014
Posts: 2

PostPosted: Fri Jan 17, 2014 11:26 am    Post subject: moving avg on top of scatter data Reply with quote

Newbie here. I need to create an XYY graph that shows data points with a moving average line on top od the points. Any suggestions?
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DPlotAdmin
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Joined: 24 Jun 2003
Posts: 2310
Location: Vicksburg, Mississippi

PostPosted: Fri Jan 17, 2014 11:37 am    Post subject: Reply with quote

Generate>Moving Average. That's an optional plugin module, so if you don't see it, just run the setup program again.
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jcampbell



Joined: 16 Jan 2014
Posts: 2

PostPosted: Fri Jan 17, 2014 11:49 am    Post subject: Reply with quote

I guess I need to clarify a bit. The data contains 3 columns with over 200,000 points per column. When I do create a moving average its just a mass of squiggles. How can I clean that up so a single line shows the average? I have the a copy of the plot as it should be, the data and what I have been able to recreate. Any way I can send those graphs to you for review?
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DPlotAdmin
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Joined: 24 Jun 2003
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Location: Vicksburg, Mississippi

PostPosted: Fri Jan 17, 2014 12:11 pm    Post subject: Reply with quote

It sounds like you just need to use a larger bin size on the Moving Average.

You are welcome to send whatever files you have to support@dplot.com.
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DPlotAdmin
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PostPosted: Fri Jan 17, 2014 7:24 pm    Post subject: Reply with quote

Just so anybody else reading this isn't confused, the poster's data was not sorted in X. So "Moving Average" produced a real mess: it doesn't care about sort order, it just works on existing data whatever order those points are in. Short answer is use Edit>Sort before Generate>Moving Average.
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