I don't know the best way or even a way to do this

What "this"?

You haven't begun to explain what it is that you are trying to graph, or do you expect us to be able to reverse engineer what you want, from your code that apparently doesn't do what you want?

If you really want help, you're going to have to work a bit harder at making it possible for people here to help you.

In reply to Re: graph 2 data sets from data on current line by BrowserUk
in thread graph 2 data sets from data on current line from a file by r0adawg

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