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node2
2008 Feb 07
1
Bode plots in ggplot2
Hello,
I am trying to figure out how to make a bode plot (a.k.a. bode
diagram) in ggplot2.
An example of such a diagram can be found here:
http://meweb.ecn.purdue.edu/~me475/ctm/freq/bode2.GIF
The example above shows the gain and phase characteristic of a linear system.
In my case, I would like to compare visually several systems on the
same diagram.
The data in the data frame is arranged like this:
frequency | gain | phase | system
0.0 | 1.0 | 0.0 | system 1
0.5 | 1.2 | -0.1 | s...