Merged from pandas/master, retaining sparsify parameter.

pandas/formats/format.py

@@ -664,7 +664,11 @@ def to_latex(self, column_format=None, longtable=False, encoding=None,
  """
 
  latex_renderer = LatexFormatter(self, column_format=column_format,
- longtable=longtable, sparsify=self.sparsify)
+ longtable=longtable,
+ multicolumn=multicolumn,
+ multicolumn_format=multicolumn_format,
+ multirow=multirow,
+ sparsify=self.sparsify)
 
  if encoding is None:
  encoding = 'ascii' if compat.PY2 else 'utf-8'
@@ -829,12 +833,16 @@ class LatexFormatter(TableFormatter):
  HTMLFormatter
  """
 
- def __init__(self, formatter, column_format=None, longtable=False, sparsify=True):
+ def __init__(self, formatter, column_format=None, longtable=False,
+ multicolumn=False, multicolumn_format=None, multirow=False, sparsify=True):
  self.fmt = formatter
  self.frame = self.fmt.frame
  self.column_format = column_format
  self.longtable = longtable
  self.sparsify = sparsify
+ self.multicolumn = multicolumn
+ self.multicolumn_format = multicolumn_format
+ self.multirow = multirow
 
  def write_result(self, buf):
  """