On 09/17/2011 09:57 AM, Klonuo Umom wrote:
> Hi,
> please consider this snippet:
>
> import matplotlib.pyplot as plt
>
> d={}
> for i in range(1,21):
> d[i] = i**2
>
> plt.plot(d.values())
This is plotting values against the zero-based index. What you want is
plt.plot(d.keys(), d.values())
> plt.xticks(d.keys())
> plt.show()
>
>
> As it can be seen from attached screenshot, xticks values are shifted to
> right (by 1).
>
> Seems strange, but perhaps something to do with Python 0-start.
> So why plot starts at beginning of x-axis and xticks start shifted by 1?
> How does regular matplotlib users handle similar code?
>
> Thanks
>
>
>
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