On 24 February 2010 13:36, AG <computing.acco...@googlemail.com> wrote: > Hi > > How do I set up my matplotlib.pyplot code so that the data for the > x-axis is plotted beginning at 1 not the default 0. To illustrate: > > I have a set of time trials and error probability calculations. Trials > are x and scores are y. At present, the first trial is plotted on the > graph at 0 which is illogical. I admit that I'm not sure exactly what I > am looking for, but I can't see this mentioned in the docs. I just want > the plot to begin at trial 1, not the 0; however, I don't mind if the > x-axis has a 0 scale on it, but trials don't begin at a 0 trial, so how > do I get around this. > > I've listed the basic code below: > > plt.plot( scores ) > plt.ylabel( "Scores" ) > plt.xlabel( "Trials" ) > plt.show()
You can explicitly specify x-axis values: x = np.arange(len(scores)) + 1 plt.plot(x, scores) HTH, Angus. -- AJC McMorland Post-doctoral research fellow Neurobiology, University of Pittsburgh ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
