bar_mixed.py

A combined bar and line chart using simple Python lists. This example demonstrates mixing nested categorical factors with top-level categorical factors.

Details

Bokeh APIs

bokeh.models.FactorRange, Figure.line, Figure.vbar

More info

Handling categorical data > Bars > Mixed factors

Keywords

bar, line, vbar

from bokeh.models import FactorRange
from bokeh.plotting import figure, show

factors = [
    ("Q1", "jan"), ("Q1", "feb"), ("Q1", "mar"),
    ("Q2", "apr"), ("Q2", "may"), ("Q2", "jun"),
    ("Q3", "jul"), ("Q3", "aug"), ("Q3", "sep"),
    ("Q4", "oct"), ("Q4", "nov"), ("Q4", "dec"),
]

p = figure(x_range=FactorRange(*factors), height=350,
           toolbar_location=None, tools="")

x = [ 10, 12, 16, 9, 10, 8, 12, 13, 14, 14, 12, 16 ]
p.vbar(x=factors, top=x, width=0.9, alpha=0.5)

p.line(x=["Q1", "Q2", "Q3", "Q4"], y=[12, 9, 13, 14], color="red", line_width=2)

p.y_range.start = 0
p.x_range.range_padding = 0.1
p.xaxis.major_label_orientation = 1
p.xgrid.grid_line_color = None

show(p)