Plotting pandas columns

gistfile1.pytb

---------------------------------------------------------------------------
Exception                                 Traceback (most recent call last)
/home/thomas/Experiments/Emergence depth/<ipython-input-5-1c9d8c0f3fd8> in <module>()
----> 1 plot(soy_w['Depth'])

/home/thomas/code/virtualenvs/mpl/lib/python2.7/site-packages/matplotlib/pyplot.pyc in plot(*args, **kwargs)
   2284         ax.hold(hold)
   2285     try:
-> 2286         ret = ax.plot(*args, **kwargs)
   2287         draw_if_interactive()
   2288     finally:

/home/thomas/code/virtualenvs/mpl/lib/python2.7/site-packages/matplotlib/axes.pyc in plot(self, *args, **kwargs)
   3781         lines = []
   3782 
-> 3783         for line in self._get_lines(*args, **kwargs):
   3784             self.add_line(line)
   3785             lines.append(line)

/home/thomas/code/virtualenvs/mpl/lib/python2.7/site-packages/matplotlib/axes.pyc in _grab_next_args(self, *args, **kwargs)
    315                 return
    316             if len(remaining) <= 3:
--> 317                 for seg in self._plot_args(remaining, kwargs):
    318                     yield seg
    319                 return

/home/thomas/code/virtualenvs/mpl/lib/python2.7/site-packages/matplotlib/axes.pyc in _plot_args(self, tup, kwargs)
    292             x = np.arange(y.shape[0], dtype=float)
    293 
--> 294         x, y = self._xy_from_xy(x, y)
    295 
    296         if self.command == 'plot':

/home/thomas/code/virtualenvs/mpl/lib/python2.7/site-packages/matplotlib/axes.pyc in _xy_from_xy(self, x, y)
    239             x = x[:,np.newaxis]
    240         if y.ndim == 1:
--> 241             y = y[:,np.newaxis]
    242         return x, y
    243 

/usr/local/lib/python2.7/dist-packages/pandas/core/series.pyc in __getitem__(self, key)
    265         # e.g. as requested by np.median

    266 
--> 267         return _index_with(key)
    268 
    269     def _multilevel_index(self, key):

/usr/local/lib/python2.7/dist-packages/pandas/core/series.pyc in _index_with(indexer)
    249         def _index_with(indexer):
    250             return Series(self.values[indexer],
--> 251                           index=self.index[indexer])
    252 
    253         # boolean


/usr/local/lib/python2.7/dist-packages/pandas/core/series.pyc in __new__(cls, data, index, dtype, name, copy)
    126 
    127         elif subarr.ndim > 1:
--> 128             raise Exception('Data must be 1-dimensional')
    129 
    130         if index is None:

Exception: Data must be 1-dimensional