<jupyter_start><jupyter_text>Bubble PlotThis example shows how to make a bubble plot.<jupyter_code>import altair as alt
from vega_datasets import data

source = data.cars()

alt.Chart(source).mark_point().encode(
    x='Horsepower',
    y='Miles_per_Gallon',
    size='Acceleration'
)<jupyter_output><empty_output>
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{'chain_length': '1', 'dir': 'jupyter-structured-clean-dedup', 'id': '168162', 'license': 'MIT', 'n_tokens_mistral': 116, 'n_tokens_neox': 112, 'n_words': 24, 'path': 'doc/gallery/bubble_plot.ipynb', 'repo_name': 'mattijn/altdoc', 'size': '314'}