:orphan: :html_theme.sidebar_secondary.remove: .. This document is auto-generated by the altair-gallery extension. Do not modify directly. .. _gallery_stacked_bar_chart: Stacked Bar Chart ----------------- This is an example of a stacked bar chart using data which contains crop yields over different regions and different years in the 1930s. .. altair-plot:: :remove-code: import altair as alt from vega_datasets import data source = data.barley() alt.Chart(source).mark_bar().encode( x='variety', y='sum(yield)', color='site' ) # No channel encoding options are specified in this chart # so the code is the same as for the method-based syntax. .. tab-set:: .. tab-item:: Method syntax :sync: method .. code:: python import altair as alt from vega_datasets import data source = data.barley() alt.Chart(source).mark_bar().encode( x='variety', y='sum(yield)', color='site' ) .. tab-item:: Attribute syntax :sync: attribute .. code:: python import altair as alt from vega_datasets import data source = data.barley() alt.Chart(source).mark_bar().encode( x='variety', y='sum(yield)', color='site' ) # No channel encoding options are specified in this chart # so the code is the same as for the method-based syntax.