Nested Pie Chart

Also known as:

• Multi-layer pie chart
• Multi-level pie chart
• Concentric pie chart
• Donut pie chart
• Pie chart with subcategories

Description

• Use few Jupyter cells to beautifully visualize your data
• Data is taken from pandas dataframe
• Layers of pie chart are separate columns in dataframe
• You can specify layers of your pie chart from inner to outer
• Layers could have same keys between upper-layers, like same city could be in different category (this is handled by pandas.DataFrame.groupby)

Usage

• Define your pandas dataframe as df
• Define variables:
  • layers is an list of pie chart layers from the inner to outer, example: layers = ['company_type', 'state', 'city']
  • value is column that will be interpreted as value to visualize (in simple case it could be just value 1)
• Execute and get your beautiful Nested Pie Chart!