DataFrame.boxplot()

DataFrame.boxplot(column=None, by=None, ax=None, fontsize=None, rot=0, grid=True, figsize=None, layout=None, return_type=None, **kwds) [source]

Make a box plot from DataFrame column optionally grouped by some columns or other inputs

Parameters:

data : the pandas object holding the data

column : column name or list of names, or vector

Can be any valid input to groupby

by : string or sequence

Column in the DataFrame to group by

ax : Matplotlib axes object, optional

fontsize : int or string

rot : label rotation angle

figsize : A tuple (width, height) in inches

grid : Setting this to True will show the grid

layout : tuple (optional)

(rows, columns) for the layout of the plot

return_type : {None, ?axes?, ?dict?, ?both?}, default None

The kind of object to return. The default is axes ?axes? returns the matplotlib axes the boxplot is drawn on; ?dict? returns a dictionary whose values are the matplotlib Lines of the boxplot; ?both? returns a namedtuple with the axes and dict.

When grouping with by, a Series mapping columns to return_type is returned, unless return_type is None, in which case a NumPy array of axes is returned with the same shape as layout. See the prose documentation for more.

kwds : other plotting keyword arguments to be passed to matplotlib boxplot

function

Returns:

lines : dict

ax : matplotlib Axes

(ax, lines): namedtuple

Notes

Use return_type='dict' when you want to tweak the appearance of the lines after plotting. In this case a dict containing the Lines making up the boxes, caps, fliers, medians, and whiskers is returned.

doc_Pandas
2017-01-12 04:45:35
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