Example of a box-and-whiskers diagram with a global average span, using Bokeh.BoxPlot and Pandas.DataFrame.

bokeh-boxplot.py

import bokeh.charts as bch
import pandas as pn
from bokeh.models import CrosshairTool, PanTool, ResetTool, WheelZoomTool, Span

# Input data as a list of tuples
data = [
    (1, -3),
    (1, 1),
    (1, 2),
    (1, 3),
    (1, 4),
    (1, 10),

    (2, 2),
    (2, 3),
    (2, 4),

    (3, 0),
    (3, 2),
    (3, 4),
]

# Convert the data to DataFrame and name the columns
frames = pn.DataFrame(data, columns=['sha256', 'duration'])

# Configure the tools
wheel_zoom = WheelZoomTool()
tools = [PanTool(), wheel_zoom, ResetTool(), CrosshairTool(dimensions='width')]

# Label argument controlls the x axis; the data will be grouped by this field.
# Values argument controlles the y axis.
plot = bch.BoxPlot(frames, label='sha256', values='duration', tools=tools, legend=False, color='sha256')

# Make the wheel tool active by default
plot.toolbar.active_scroll = wheel_zoom

# Draw a horizontal line for the global average
global_average = Span(location=frames['duration'].mean(),
                      dimension='width',
                      line_color='red',
                      line_dash='dashed',
                      line_width=2)
plot.add_layout(global_average)

bch.output_file('candlestick.html')
bch.show(plot)