def plot_xtime(self, y, x='<STR_LIT:time>', label='<STR_LIT:default>', labelx=None,<EOL>labely=None ,title=None, shape='<STR_LIT:.>', logx=False,<EOL>logy=True, base=<NUM_LIT:10>):
if label is '<STR_LIT:default>':<EOL><INDENT>lab_str=y<EOL><DEDENT>else:<EOL><INDENT>lab_str=label<EOL><DEDENT>try:<EOL><INDENT>self.get(x)<EOL><DEDENT>except KeyError:<EOL><INDENT>x='<STR_LIT>'<EOL><DEDENT>DataPlot.plot(self,x,y,legend=lab_str,labelx=labelx, labely=labely,<EOL>title=title, shape=shape,logx=logx, logy=logy, base=base)<EOL>'''<STR_LIT>'''<EOL>
make a simple plot of two columns against each other.

An example would be instance.plot_xtime('PB206', label='PB206 vs t_y'
Recomend using the plot function DataPlot.plot() it has more
functionality.

Parameters
----------
Y : string
    Column on Y-axis.
X : string, optional
    Column on X-axis.  The default is "time".
label : string, optional
    Legend label.  The default is "default".
labelX : string, optional
    The label on the X axis.  The default is None.
labelY : string, optional
    The label on the Y axis.  The default is None.
title : string, optional
    The Title of the Graph.  The default is None.
shape : string, optional
    What shape and colour the user would like their plot in.
    The default is '.'.
logX : boolean, optional
    A boolean of weather the user wants the x axis
    logarithmically.  The default is False.
logY : boolean, optional
    A boolean of weather the user wants the Y axis
    logarithmically.  The default is True.
base : integer, optional
    The base of the logarithm.  The default is 10.

Notes
-----
For all possable choices visit,
<http://matplotlib.sourceforge.net/api/pyplot_api.html#matplotlib.pyplot.plot>