Again, the problem with the sample you supply is that you are making 2-D
arrays where what you need are 1-D arrays. Simply flattening y and pred
before using them makes the script work fine, as attached. Or make them
1-D in the first place.
Eric
Giorgio Luciano wrote:
> Thanks to all for the replies :)
> I used a tuple to solve the problem because I dind't manage to reshape
> my array since it comes from a previous slicing, but not it seems to work.
> Is it the same problem because this doesn't work ?
>
> from pylab import *
> y=array([[ 1.02], [ 1.05], [ 1.03], [ 0.99], [ 0.97], [ 0.95], [ 1. ],
> [ 0.93], [ 1. ], [ 1. ], [ 0.98], [ 0.98], [ 0.94], [ 0.94], [
> 0.96], [ 0.92], [ 1.01], [ 0.96], [ 0.99], [ 0.96], [ 1.03], [
> 0.91], [ 0.99], [ 0.98], [ 1. ], [ 0.98], [ 0.96]])
> pred=array([[ 1.02875 ], [ 1.03125 ], [ 1.02291667], [ 0.99541667],
> [ 0.96458333], [ 0.93625 ], [ 0.99375 ], [ 0.93708333], [ 1.00125
> ], [ 1.01875 ], [ 0.98541667], [ 0.97291667],
> [ 0.94708333], [ 0.93458333], [ 0.96625 ], [ 0.92375 ],
> [ 1.005 ], [ 0.965 ], [ 0.98333333], [ 0.96666667], [
> 1.02666667], [ 0.91333333], [ 1.005 ], [ 0.965 ], [ 0.98 ],
> [ 0.98 ], [ 0.98 ]])
> figure(2)
> r=27
> p2=plot(y,pred,'bo')
> t1=arange(1,r+1)
> for t1 in arange(1,r+1):
> text(y[t1-1], pred[t1-1], str(t1))
> show()
> ###### End Plot 2
>
> and gives this error ??Exception in Tkinter callback
> Traceback (most recent call last):
> File "C:\Python24\lib\lib-tk\Tkinter.py", line 1345, in __call__
> return self.func(*args)
> File
> "C:\Python24\Lib\site-packages\matplotlib\backends\backend_tkagg.py",
> line 151, in resize
> self.show()
> File
> "C:\Python24\Lib\site-packages\matplotlib\backends\backend_tkagg.py",
> line 154, in draw
> FigureCanvasAgg.draw(self)
> File
> "C:\Python24\Lib\site-packages\matplotlib\backends\backend_agg.py", line
> 392, in draw
> self.figure.draw(renderer)
> File "C:\Python24\Lib\site-packages\matplotlib\figure.py", line 545,
> in draw
> for a in self.axes: a.draw(renderer)
> File "C:\Python24\Lib\site-packages\matplotlib\axes.py", line 1067, in
> draw
> a.draw(renderer)
> File "C:\Python24\Lib\site-packages\matplotlib\text.py", line 340, in draw
> bbox, info = self._get_layout(renderer)
> File "C:\Python24\Lib\site-packages\matplotlib\text.py", line 168, in
> _get_layout
> if self.cached.has_key(key): return self.cached[key]
> TypeError: unhashable type
>
> Thanks to all community :)
> Giorgio
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