# https://altair-viz.github.io/gallery/table_bubble_plot_github.html

import altair as alt

source = "https://raw.githubusercontent.com/vega/vega-datasets/v1.31.1/data/github.csv"

alt.Chart(source).mark_circle().encode(
    x="hours(time):O", y="day(time):O", size="sum(count):Q"
)
