Gapminder Bubble Plot

This example shows how to make a bubble plot showing the correlation between health and income for 187 countries in the world (modified from an example in Lisa Charlotte Rost’s blog post ‘One Chart, Twelve Charting Libraries’.

Method syntax

import altair as alt
from vega_datasets import data

source = data.gapminder_health_income.url

alt.Chart(source).mark_circle().encode(
    alt.X('income:Q').scale(type='log'),
    alt.Y('health:Q').scale(zero=False),
    size='population:Q'
)

Attribute syntax

import altair as alt
from vega_datasets import data

source = data.gapminder_health_income.url

alt.Chart(source).mark_circle().encode(
    alt.X('income:Q', scale=alt.Scale(type='log')),
    alt.Y('health:Q', scale=alt.Scale(zero=False)),
    size='population:Q'
)