Hello -
I am trying to plot two sets of data on one graph, using plot_date.
But I get an error.
It is easy to replicate, by calling the plot_date function twice.
Is this supposed to work?
from pylab import *
plot_date(linspace(726468,726668,4),linspace(0,1,4))
plot_date(linspace(726468,726668,4),linspace(0,1,4))
And I get the error:
Traceback (most recent call last):
File "<pyshell#2>", line 1, in ?
plot_date(linspace(726468,726668,4),linspace(0,1,4))
File "C:\Python24\Lib\site-packages\matplotlib\pylab.py", line 2064, in
plot_date
ret = gca().plot_date(*args, **kwargs)
File "C:\Python24\lib\site-packages\matplotlib\axes.py", line 2395, in
plot_date
self.xaxis_date(tz)
File "C:\Python24\lib\site-packages\matplotlib\axes.py", line 1564, in
xaxis_date
formatter = AutoDateFormatter(locator)
UnboundLocalError: local variable 'locator' referenced before assignment
Any ideas?
Thanks, Mark
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