Bubble Chart –
A bubble chart is a scatter plot in which a third dimension of the data is shown through the size of markers.
To create a Bubble chart we will use the gapminder data. So, Let’s read the data first.
import plotly.express as px df = px.data.gapminder() df.head()
Let’s check the minimum and maximum year in the dataframe.
print("Min Year: ", df['year'].min()) print("Max Year: ", df['year'].max())
#output Min Year: 1952 Max Year: 2007
Let’s create a Bubble chart for the year 2007
# select only 2007 data df_2007 = df[df['year']==2007]
1 . Create a Bubble Chart with Plotly Express –
Let’s create a bubble chart with plotly express which makes it easy to create various kinds of plots easily in plotly.
We will plot gdpPercap on the x-axis and lifeExp on the y-axis. We will use the pop column for the size of the markers and use the continent column for the color parameter to distinguish between different continents.
fig = px.scatter(df_2007, x='gdpPercap', y='lifeExp',size='pop', color='continent', log_x=True, size_max=60) fig.show()
2 . Create an animated Bubble Chart with Plotly Express –
We can also create an animated bubble chart using plotly express. To create an animated bubble chart we need to use the
fig = px.scatter(df, x="gdpPercap", y="lifeExp", animation_frame="year", animation_group="country", size="pop", color="continent", log_x=True, size_max=55) fig.show()
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