docs: def _scatter_matrix(self,theme=None,bins=10,color='grey',size=2, asFigure=False, **iplot_kwargs):
  	"""
  	Displays a matrix with scatter plot for each pair of 
  	Series in the DataFrame.
  	The diagonal shows a histogram for each of the Series
  
  	Parameters:
  	-----------
  		df : DataFrame
  			Pandas DataFrame
  		theme : string
  			Theme to be used (if not the default)
  		bins : int
  			Number of bins to use for histogram
  		color : string
  			Color to be used for each scatter plot
  		size : int
  			Size for each marker on the scatter plot
  		iplot_kwargs : key-value pairs
  			Keyword arguments to pass through to `iplot`
  	"""
  	sm=tools.scatter_matrix(self,theme=theme,bins=bins,color=color,size=size)
  	if asFigure:
  		return sm
  	else:
  		return iplot(sm,**iplot_kwargs)