Stacked bar chart

Q: How deeply does Pandas Workout: 200 exercises to make you a stronger data analyst cover stacked bar chart?

Explains grouping, component selection, summation, and stacked plotting, but does not develop chart customization beyond size and legend.

As explained in Pandas Workout: 200 exercises to make you a stronger data analyst

A bar plot in which multiple component values are stacked within each bar to show a total and its parts.

A stacked bar chart combines several component values into one bar, making both the total and its breakdown visible. In a taxi-revenue analysis, each bar can represent a month while fare, extras, taxes, tips, and tolls form its colored segments. section 11.10

Break down taxi revenue by month

Group the data by pickup year and month, select the revenue components, sum them, and plot the result with stacking enabled: `(df.groupby([df['tpep_pickup_datetime'].dt.year, df['tpep_pickup_datetime'].dt.month])[['fare_amount','extra','mta_tax','tip_amount','tolls_amount']].sum().plot.bar(stacked=True, figsize=(10,10)))` Each bar shows total revenue, while its colored segments reveal how much came from fares, extras, taxes, tips, and tolls. A legend identifies the components.

How Pandas Workout: 200 exercises to make you a stronger data analyst covers it

Cover of Pandas Workout: 200 exercises to make you a stronger data analyst

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Also explained in

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D3.js in Action, Third EditionA stacked bar chart represents multiple series within each bar by vertically or horizontally adjoining segments whose combined extent encodes a total.
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Everyday Data VisualizationA bar composed of segments whose combined length or height represents a total and whose segments represent components.
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Starting Data Analytics with Generative AI and PythonA stacked bar plot displays multiple component values as segments accumulated within each bar.
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Data Storytelling with Altair and AIA stacked bar chart displays categorical quantities as segments within bars so component values form a total.

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Related concepts

base chartimplemented by · A base chart is a chart specification containing shared encodings and properties from which related charts are constructed.
d3.stackOffsetExpandconfigured by · d3.stackOffsetExpand is a D3 stack offsetting constant that normalizes each stack column so its series sum is one.
grouped bar chartproduces · A grouped bar chart displays multiple bars together for each category, enabling comparisons across subcategories or related groups.
band scaleused by · A band scale maps discrete input values to continuous positions while allocating an equal-width band for each input value.
line plotalternative to · A line plot is a chart that connects ordered data values with line segments to show changes, relationships, or trends.

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