BUG: figsize and title for plotting xy columns #2342

Author: Chang She

pandas/tests/test_graphics.py

@@ -214,6 +214,7 @@ def test_plot(self):
 
     @slow
     def test_plot_xy(self):
+        import matplotlib.pyplot as plt
         # columns.inferred_type == 'string'
         df = tm.makeTimeDataFrame()
         self._check_data(df.plot(x=0, y=1),
@@ -232,9 +233,17 @@ def test_plot_xy(self):
         self._check_data(df.plot(x=1), df.set_index(1).plot())
         self._check_data(df.plot(y=1), df[1].plot())
 
+        # figsize and title
+        plt.close('all')
+        ax = df.plot(x=1, y=2, title='Test', figsize=(16, 8))
+
+        self.assert_(ax.title.get_text() == 'Test')
+        self.assert_((np.round(ax.figure.get_size_inches()) == np.array((16., 8.))).all())
+
         # columns.inferred_type == 'mixed'
         # TODO add MultiIndex test
 
+
     @slow
     def test_xcompat(self):
         import pandas as pd

pandas/tools/plotting.py

@@ -411,7 +411,7 @@ def bootstrap_plot(series, fig=None, size=50, samples=500, **kwds):
     return fig
 
 
-def parallel_coordinates(data, class_column, cols=None, ax=None, colors=None, 
+def parallel_coordinates(data, class_column, cols=None, ax=None, colors=None,
                          **kwds):
     """Parallel coordinates plotting.
 
@@ -746,6 +746,8 @@ def _setup_subplots(self):
                 ax = self._maybe_right_yaxis(ax)
             else:
                 fig = self.ax.get_figure()
+                if self.figsize is not None:
+                    fig.set_size_inches(self.figsize)
                 ax = self._maybe_right_yaxis(self.ax)
 
             axes = [ax]
@@ -1373,10 +1375,11 @@ def plot_frame(frame=None, x=None, y=None, subplots=False, sharex=True,
     if y is not None:
         if com.is_integer(y) and not frame.columns.holds_integer():
             y = frame.columns[y]
-        return plot_series(frame[y], label=y, kind=kind, use_index=True,
+        return plot_series(frame[y], label=y, kind=kind, use_index=use_index,
                            rot=rot, xticks=xticks, yticks=yticks,
                            xlim=xlim, ylim=ylim, ax=ax, style=style,
                            grid=grid, logy=logy, secondary_y=secondary_y,
+                           title=title, figsize=figsize, fontsize=fontsize,
                            **kwds)
 
     plot_obj = klass(frame, kind=kind, subplots=subplots, rot=rot,
@@ -1393,7 +1396,6 @@ def plot_frame(frame=None, x=None, y=None, subplots=False, sharex=True,
     else:
         return plot_obj.axes[0]
 
-
 def plot_series(series, label=None, kind='line', use_index=True, rot=None,
                 xticks=None, yticks=None, xlim=None, ylim=None,
                 ax=None, style=None, grid=None, legend=False, logy=False,