i have a csv file with data like this:
-0.0889 4.53
-0.0449 2.25
-0.013 -3
0.0304 -开发者_Python百科4.28
0.0669 -2.03
0.1332 -1.72
And it goes on and on. I need a solution to plot it as a not connected points on simple 2D chart and save it as png file to see if data is organized by a clearly visible pattern.
Use the right tool for the job: gnuplot
Just to get you into the right timescale, here is a timed graph done with Mathematica.
200K points in .1 sec
HTH!
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