donut_chart¶

from bokeh.charts import Donut, show, output_file
from bokeh.charts.utils import df_from_json
from bokeh.sampledata.olympics2014 import data

import pandas as pd

# utilize utility to make it easy to get json/dict data converted to a dataframe
df = df_from_json(data)

# filter by countries with at least one medal and sort by total medals
df = df[df['total'] > 8]
df = df.sort("total", ascending=False)
df = pd.melt(df, id_vars=['abbr'],
             value_vars=['bronze', 'silver', 'gold'],
             value_name='medal_count', var_name='medal')

# original example
d = Donut(df, label=['abbr', 'medal'], values='medal_count',
          text_font_size='8pt', hover_text='medal_count')

output_file("donut.html", title="donut.py example")

show(d)