Bar Chart vs Line Chart: Match the Graphic to the Question
The choice between a bar chart and a line chart depends on the question: compare discrete categories with bars and show change across an ordered scale with lines.
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Stacked Area Charts: Great for Composition Trends, Weak for Comparing Middle Categories
Stacked area charts show how a total and its composition change over time, but moving baselines make most individual categories difficult to compare precisely.
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Pie Charts vs Bar Charts: Why Ranking Slices Is Harder Than Comparing Lengths
Use a pie chart for a small, clearly differentiated composition of one meaningful whole. Use a bar chart when readers need to compare, rank, or distinguish similar values.
