DataFrame.plot.hexbin()

x, y : label or position, optional

Coordinates for each point.

C : label or position, optional

The value at each (x, y) point.

reduce_C_function : callable, optional

Function of one argument that reduces all the values in a bin to a single number (e.g. mean, max, sum, std).

gridsize : int, optional

Number of bins.

**kwds : optional

Keyword arguments to pass on to pandas.DataFrame.plot().