2D Histogram Scatter Plot

This example shows how to make a 2d histogram scatter plot.

Method syntax

import altair as alt
from altair.datasets import data

source = data.movies.url

alt.Chart(source).mark_circle().encode(
    alt.X('IMDB Rating:Q').bin(),
    alt.Y('Rotten Tomatoes Rating:Q').bin(),
    size='count()'
)

Attribute syntax

import altair as alt
from altair.datasets import data

source = data.movies.url

alt.Chart(source).mark_circle().encode(
    alt.X('IMDB Rating:Q', bin=True),
    alt.Y('Rotten Tomatoes Rating:Q', bin=True),
    size='count()'
)